A charge of #4 C# is passing through points A and B on a circuit. If the charge's electric potential changes from #35 J# to #9 J#, what is the voltage between points A and B?

Answer 1

The voltage between points A and B on the circuit is 26 volts. Voltage is calculated as the change in electric potential energy per unit charge, so the change in potential energy (35 J - 9 J = 26 J) divided by the charge (4 C) equals 26 V.

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Answer 2

Leo Abeyta

As we all know, one joule of work is performed for every coulomb of charge in an electric potential.

Here, Change in electric potential from A to B= 9J- 35J = -26J Charge(given) = 4C Voltage between the points = #(-26J)/(4C)#

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Answer from HIX Tutor

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.