# A charge of #9 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #20 J# to #11 J#, what is the voltage between points A and B?

The voltage is

Energy/Voltage = Charge

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Voltage between points A and B is 9 volts.

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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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