# A charge of #12 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #58 J# to #42 J#, what is the voltage between points A and B?

The voltage between points A and B is 16 volts.

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See the explanation below

Apply the equation

The voltage is

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- A charge of #6 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #39 J# to #33 J#, what is the voltage between points A and B?
- An electric toy car with a mass of #3 kg# is powered by a motor with a voltage of #3 V# and a current supply of #4 A#. How long will it take for the toy car to accelerate from rest to #1 m/s#?
- At what distance of separation must two 1.00-microCoulomb charges be positioned in order for the repulsive force between them to be equivalent to the weight (on Earth) of a 1.00-kg mass?
- Two charges of # 1 C # and # -2 C # are at points # (0,4,2) # and # ( 5,3,7)#, respectively. Assuming that both coordinates are in meters, what is the force between the two points?

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