A student has designed a circuit with one battery, two light bulbs, and two switches, pictured to the left. She would like for each switch to control one light bulb, so that when one switch is open and the other is closed, one of the light bulbs will remain lit. From the image, we can see that neither light bulb is lit, even though one of the switches is closed. What is the error the student made? Your explanation should include a discussion of the flow of electrons in the circuit.
Answers
Answer:
The bulb is not powered because the negative end of the battery is not connected to the electric current,making it dysfunctional. The electrons have to flow through the positive and negative ends of the battery in order for it to work.
Hope this helps.
The mistake of the student is that the circuit was left open hence current can not flow across in the circuit.
What is a circuit?A circuit is designed for the flow of current. In this case, we know that current can only flow when the circuit is closed. A closed circuit implies that the switch has been closed.
The mistake of the student is that the circuit was left open hence current can not flow across in the circuit.
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Related Questions
write the definition of each word.
Answers
Answer:
1. nuclear waste
radioactive waste material, for example from the use or reprocessing of nuclear fuel.
2. crust
In geology, the crust is the outermost solid shell of a rocky planet
3. mantle
A mantle is a layer inside a planetary body bounded below by a core and above by a crust.
4. core
Earth's inner core is the innermost geologic layer of the planet Earth. It is primarily a solid ball with a radius of about 1,220 km, which is about 20% of Earth's radius
Explanation:
Answer:
Nuclear Waste :- Nuclear waste is the material left over in the reactor. This waste is radioactive and needs to be stored safely away from humans because it is dangerous and toxic to living things.
The Crust:- the crust is the outermost solid shell of a rocky planet, dwarf planet, or natural satellite. It is usually distinguished from the underlying mantle by its chemical makeup; however, in the case of icy satellites, it may be distinguished based on its phase.
Mantle:- A mantle is a layer inside a planetary body bounded below by a core and above by a crust. Mantles are made of rock or ices, and are generally the largest and most massive layer of the planetary body. Mantles are characteristic of planetary bodies that have undergone differentiation by density
Inner and outer core:- outer core is the third layer of the Earth. Earth's inner core is the innermost geologic layer of the planet Earth.
Lithosphere:- lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite
Geological Time:- geological time, the extensive interval of time occupied by the geologic history of Earth.
4. Tectonic plates are located on the __ and __.
6. Inner core is made of ___ and ____.
Answers
Answer:
4.lithosphere
6.nickel and iron
Explanation:
hehe
Only 4 questions plz answer.
Answers
Answer:
You saved the definition of the vehicle class in a file called vehicleClass.py.
Which line of code will allow you to use the class in another program?
Explanation:
evaluate the statement heavy things sink and light things float. is the statement true or false? if false rewrite the statement to be true
Answers
Answer:
False
Explanation:
It depends on the density of an object, not the wight.
Answer: it’s false
Explanation: false
A ship is heavy, but it sinks, right? If something sinks or floats is based off of its density.
Things that are less dense than the liquid they are on will float
Cherise sets identical magnetic carts on two tracks. At the end of each track is a blue magnet that cannot move. Cherise can move the carts one space to the left or one space to the right. Which movement will result in the largest increase in potential energy?
a
Moving the cart on Track 1 one space to the right (→).
b
Moving the cart on Track 2 one space to the left (←).
c
Moving the cart on Track 2 one space to the right (→).
d
All these movements will result in the same change in potential energy because they each move a cart the same distance.
Answers
Answer:
it's d
Explanation:
The movement that will result in the largest increase in potential energy is D. these movements will result in the same change in potential energy because they each move a cart the same distance.
Potential energy refers to the energy that's possessed by a body when it's at rest. Kinetic energy is the energy that's based on the motion of an object.
In this case, we can see that the carts are moved one space either to the right or left. Therefore, the movements will result in the same change in potential energy.
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Only 5 questions plz answer.
Answers
question 19: b
question 20: c
19:B
20:C
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A mover loads a 100 kg box into the back of a moving truck by
pushing it up a ramp. The ramp is 4.0 m long and the back of
the truck is 1.5 m high. The mechanical advantage of the ramp
is
(Round to the nearest tenth)
Answers
7
Explanation:The following data were obtained from the question:Mass (m) of box = 100 KgLength (L) of ramp = 4 mHeight (H) of ramp = 1.5 mMechanical advantage (MA) of ramp =? Mechanical advantage of a ramp is simply defined as the ratio of the length of the ramp to the height of the ramp. Mathematically, it is given by:Mechanical Advantage = Lenght / height MA= L/H With the above formula, we can obtain the mechanical advantage of the ramp as follow:Length (L) of ramp = 4 mHeight (H) of ramp = 1.5 mMechanical advantage (MA) of ramp =?MA = 4/1.5MA = 2.7Therefore, the mechanical advantage of the ramp is 2.7
Can someone help me with this science question
Answers
-Lithosphere
-Asthenosphere
-Mesosphere
-Outer Core
-Inner Core
Chemical layers of the earth:
-Crust
-Mantle
-Core
Hope this helps
Have a great weekend! :)
Which of the following statements is true of electromagnetic waves but NOT mechanical waves.
A. can travel through a medium
B. can travel through a vacuum
C. transfers energy
D. electromagnetic waves and mechanical waves are identical
Answers
Answer:
a
Explanation:
what the heck is a medium
The statement that true of electromagnetic waves but NOT mechanical waves is can travel through a vacuum.
What are electromagnetic waves?Electromagnetic waves are waves that occur in electromagnetic field which travel and are propagated through space. They have wavelengths.
Therefore, The statement that true of electromagnetic waves but NOT mechanical waves is can travel through a vacum.
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I need help ;-;
"Compare the first and third quarter of the moon cycle as seen from the Northern Hemisphere. You must discuss the relative positions of the sun, moon, and earth in your response"
Answers
What is the difference between the way matter responds to a transverse wave and a longitudinal wave?
A. Matter moves in the same direction in a longitudinal wave, and at right angles to the direction of a transverse wave.
B. Matter moves at right angles to the direction of a longitudinal wave, and at right angles to the direction of a transverse wave.
C. A longitudinal wave does not need matter through which to travel, while a transverse wave does.
D. A longitudinal wave needs matter through which to travel, while a transverse wave does not.
Answers
The Structure of Atoms
1. What two sub-atomic particles are located in the nucleus of the atom?
2. What is the difference between the atomic number & the mass number of an element?
3. Where is the majority of the mass located in an atom?
Answers
Answer:
1. protons and neutrons
2. the atomic number states the number of protons present and the mass number says the total number of protons and neutrons
3. nucleus
Explanation:
Isaac Newton believed that light was made of
waves.
particles.
dust.
gravity.
Answers
Answer:
I believe the answer is Particles
Explanation:
let me know if i'm wrong
Isaac Newton believed that light was made of particles.
What is light?Light or visible light is electromagnetic radiation that can be perceived by the human eye.Visible light is usually defined as having wavelengths in the range of 400 – 700 nanometers (nm), corresponding to frequencies of 750 – 420 terahertz, between the infrared (with longer wavelengths) and the ultraviolet (with shorter wavelengths)Given is the theory of light by Sir Isaac Newton.
Corpuscular Theory →
According to Newton's corpuscular theory of light, light is composed of very tiny, elastic and rigid particles called corpuscles. When this corpuscles enters into our eye, we get the sensation of light or sensation of vision.Therefore, Isaac Newton believed that light was made of particles.
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Luster, hardness, color, size, and temperature are all examples of
A
different examples of matter.
B
chemical properties of matter.
С
various phases of matter.
D
physical properties of matter.
Answers
Answer:
i believe it's D
Explanation:
Need help!
1. How is the Moon cycle an example of the sun, moon and earth interacting?
2. Why does the moon appear completely dark once a month?
Answers
Answer:
The moon orbits the earth because of the pull of the earth and so does the earth orbits the sun because of its pull. Because of the way they move relative to each other, we see phases of the moon and eclipses.
The moon appear completely dark once a month because at that time of the month, the moon passes through the same part of the sky, with it's dark or unilluminated side faces Earth.
well I did some research bout this soooooo hope it helps
Only 4 questions plz answer
Answers
Answer:
For your first question, it is C.
For your second question, it is A.
For your third question, it is A, again.
For your final question, it is B.
Have a wonderful day! :D
Answer:
Once the glaciers melted, the dirt, rocks, and sand (known as glacial till) that were picked up by the ice were all that was left behind. This till filled any hills or valleys that previously existed, leaving the land flat. ... The glaciers of the last ice age did not extend to southern Indiana.
Explanation:
this is lettle alchemy 2, I need a life, and I got all this in 2 days, more like 16 hours
Answers
Answer: I don't know you But i am proud good job
fun game isn't it xD
Explanation:
What are the similarities and differences between meiosis and mitosis?
Answers
Answer: They both produce new cells, and start both with a single parent cell for similarities. For differences, Meiosis has only 8 stages in total, while mitosis is 4 stages in total. And for the Meiosis, it produces 4 haploid cells, and mitosis, only produces 2 haploid cells. These are the similarities and differences.
Hope this helped!
find the velocity of a truck traveling north 50 meters in 20 seconds
Answers
The summary should be at least a paragraph long and include information about plate tectonics, three kinds of boundaries, subduction, and how convection currents move tectonic plates
Answers
Plates can move away or closer together. In result of the moving there are earthquakes, mountains, volcanoes, etc. There are divergent, convergent, and transform boundaries. The convection currents move them across the crust in the path formed by the boundaries.
Answer:
Correct answer: B). Global climate is changing due to burning of fossil fuels and deforestation.
Forest holds a large amount of carbon, plants are known to absorb carbon dioxide from the atmosphere as they grow, that carbon dioxide is stored in plants in the form of carbon in plant's roots, leaves and in the soil. When trees are cut down, that stored carbon is released in the environment in the form of carbon dioxide, which accounts for approximately 18% of global greenhouse gas emission.
The burning of fossil fuel like coal, petroleum, oil, gas for the energy purpose is one of the major contributors for the rising level of carbon dioxide in the atmosphere, which leads to global warming and affect the climate.
Hence, the correct answer would be option B.
Explanation:
HELLLLLLLLLLLLLLP!!!!!!!!!!!!!!!!!!!!!!!!!!! PLSSSSSSSSSSSSSSSS
Using the slide of the dam as an example, as well as the notes on the slide with the field and tractor, describe the different sphere interactions that are occuing in the picture of THE FARM AND TRACTOR. Be sure to be detailed and explicit (use the dam sample as an example).
Answers
You should set goals for where you are in your life right now? Question 3 options: True False
Answers
Answer:
True
Explanation:
because it's important to set goals in your life Simply put, they're the things you would like to accomplish in your life and life goals are the big things to work for and accomplish such as getting married and having a family, starting your own business, becoming a big-time executive, or traveling the globe.
Please someone help me!!! its for today
1. What roles does the catcher play?
2. What is the All Star Game?
3. Explain the infield fly rule. Continue on next page.
4. Describe the umpire’s actions for these signals. out - time - Arms are extended above the head, palms out. This position is held until the ump is satisfied that the signal has been seen and observed. safe - Both arms are extended in front of the body, palms down. The position should be held long enough to be seen by players, managers, and other umpires. strike - The right arm and hand are moved outward from the body and at least waist high. walk - ually called vocally
5. What is a designated hitter? Right fist is clenched, arm is raised. everyplayer has to rotate to the hitter position that is the national league. in the american league there are main hitters which has to be listed on the lineup card before the game.
6. What happens when a game is tied at the end of nine innings? if its a tie at the end of nine innings they will add on 2 more innings for over time
Answers
Answer:
1. What roles does the catcher play? The catcher is the person who catches the balls that the hitter doesn't hit.
2. What is the All Star Game? an annual professional baseball game sanctioned by Major League Baseball (MLB) and contested between the all-stars from the American League (AL) and National League (NL).
3. Explain the infield fly rule. Continue on next page. The infield fly rule is a rule of baseball that treats certain fly balls as though caught, before the ball is caught, even if the infielder fails to catch it or drops it on purpose. The umpire's declaration of an infield fly means that the batter is out regardless of whether the ball is caught.
What's an interesting fact about Aristotle?
Answers
Answer:
Image result for What's an interesting fact about Aristotle?
Interesting Aristotle Facts: 1-5
Aristotle was born somewhere around 384 BCE. ...
His father was Nicomachus. ...
Nicomachus died when Aristotle was a young boy. ...
After the death of Nicomachus, Proxenus – husband of Aristotle's sister Arimneste, became the guardian of young Aristotle.
An animal welfare group is curious if the effects of selectively breeding goats to produce more milk is bad for the goats. What would be the BEST question that the welfare group could ask to determine the effects of selectively breeding the goats?
A.
Can you make more money by producing the goats with the desired traits?
B.
Are there negative traits in the selected traits on the goat population?
C.
What is the diet the goats are fed in order to produce milk?
D.
What does the milk of the selectively bred goats taste like?
Answers
(C) What is the diet the goats are fed in order to produce milk
3.04 in science, compounds
Name and Title:
Include your name, instructor's name, date, and name of lab.
Objectives(s):
In your own words, what is the purpose of this lab?
Hypothesis:
In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.
Procedure:
The materials and procedures are listed in your virtual lab. You do not need to repeat them here. However, you should note if you experienced any errors or other factors that might affect your outcome. Using your summary questions at the end of your virtual lab activity, please clearly define the dependent and independent variables of the experiment.
Data:
Record the composition of each of your compounds below. Be sure to include the number of atoms for each element. An example has been supplied for you.
Compound Name Chemical Formula Sodium (Na) Atoms Calcium (Ca) Atoms Hydrogen (H) Atoms Oxygen (O) Atoms Carbon (C) Atoms Chlorine (Cl) Atoms
Ex: Sodium
hypochlorite NaClO 1 0 0 1 0 1
Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please answer all questions in complete sentences using your own words.
Using two to three sentences, summarize what you investigated and observed in this lab.
Why do you believe knowing how elements and compounds react together is essential in everyday matters?
Some elements are more "reactive" than other elements; why do you think this is?
Choose one of the compounds from the table and explain how you know the numbers of atoms in your formula.
Is it possible for two different compounds to be made from the exact same two elements? Why or why not? With a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
Answers
Name and Title:
name, teacher's name, date, chemical components lab.
Objectives(s):
The purpose of this lab was to use elements and make chemical compounds.
Hypothesis:
If I use sodium, carbon, and hydrogen, then I can make at least 5 new compounds in 5 minutes.
Procedure:
The independent variable is the number and types of elements I picked for my compounds. The dependent variable is the types of compounds made.
Data:
Record the composition of each of your compounds below. Be sure to include the number of atoms for each element. An example has been supplied for you.
Compound Name
Sodium hydride
Chemical Formula
NaH
Sodium (Na) Atoms
1
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
1
Oxygen (O) Atoms
0
Carbon (C) Atoms
0
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
0
Compound Name
Methylene (carbene)
Chemical Formula
CH2
Sodium (Na) Atoms
0
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
2
Oxygen (O) Atoms
0
Carbon (C) Atoms
1
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
0
Compound Name
Sodium carbide
Chemical Formula
Na2C2
Sodium (Na) Atoms
2
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
0
Oxygen (O) Atoms
0
Carbon (C) Atoms
2
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
0
Compound Name
Diatomic carbon
Chemical Formula
C2
Sodium (Na) Atoms
0
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
0
Oxygen (O) Atoms
0
Carbon (C) Atoms
2
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
0
Compound Name
Hydrogen gas
Chemical Formula
H2
Sodium (Na) Atoms
0
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
2
Oxygen (O) Atoms
0
Carbon (C) Atoms
0
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
0
Compound Name
acetylene
Chemical Formula
C2H2
Sodium (Na) Atoms
0
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
2
Oxygen (O) Atoms
0
Carbon (C) Atoms
2
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
0
Compound Name
Tricarbon
Chemical Formula
C3
Sodium (Na) Atoms
0
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
0
Oxygen (O) Atoms
0
Carbon (C) Atoms
3
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
0
Compound Name
Diamond
Chemical Formula
C,Crystal
Sodium (Na) Atoms
0
Calcium (Ca) Atoms
0
Hydrogen (H) Atoms
0
Oxygen (O) Atoms
0
Carbon (C) Atoms
1
Chlorine (Cl) Atoms
0
Tricarbon (c3) Atoms (MY TEACHER TOLD ME TO ADD THIS ONE)
3
worked this out and it should be right
4. Tectonic plates are located on the __ and __.
6. Inner core is made of ___ and ____.
Answers
Answer:
Tectonic plates are located in the lithosphere.Inner core is made of iron and nickel.Hope it helps!
4. Tectonic plates are located on the earth's crust and upper most mantle(lithosphere).
6.Innercore is made of iron and nickel.
what statement about the the chart is true ?
A. P is a t the highest level of organization
B. Q is at the lowest level of organization
C. R is at the highest level of organization
D. S is a the lowest level o organization
Answers
This is an example of a(n)
A) Aquatic biome.
B) Terrestrial biome.
C) Aquatic biosphere.
D) Terrestrial Biosphere.
Answers
Answer:
Its A.
Correct me if I'm wrong.
I am not good at mysteries so please help!!
Answers
Answer:
The nephew
Explanation:
The dog's foot prints are overlapping the shoes that are overlapping the tire marks from 3 different tires, if the dog is his seeing dog then it would make sense that the dog's foot prints are next to his and they're going in the same direction, and since the dog's footprints overlap the others it means that they were there last.
People were confused so I'll resay it. The dog is the nephew's seeing dog, so he walks beside him. And if the dog's foot prints are overlapping all of the other's, that means the dog was there after all of the rest of them, and if the nephew is with the dog then the nephew was there last.