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Question

What is the potential difference across two points if 16 J work is needed to move a 2 C charge between them?

A
2 V
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B
8 V
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C
16 V
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D
32 V
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Solution

The correct option is B 8 V
Given,
Work done, W=16 J and total charge, Q=2 C
Let the potential difference be V.
We know, V=WQ
So, on substituting the values,
V=162=8 V

Therefore, the potential difference is 8 V.

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