Question

If 5 J of work is needed to shift 10C of charge from one place to another. The potential difference between the places should be


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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

The electromotive force (e) or e.m.f. is the energy provided by a cell or battery per coulomb of charge passing through it, it is measured in volts (V). It is equal to the potential difference across the terminals of the cell when no current is flowing.

e = E/Q

e = electromotive force in volts,

VE = energy in joules,

JQ = charge in coulombs, C

In this case, work done = 5 J

amount of charge = 10 C.

Therefore, e = 5/10 = 1/2.

Hence, electromotive force of the cell is 1/2 volt.

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