Q.

4 x 1020 eV energy is required to move a charge of 0.25 coulomb between two points. What will be the potential difference between them?

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a

178 V

b

256 V

c

356 V

d

None of these

answer is B.

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Detailed Solution

By using KE=QV⇒4×1020×1.6×10-19 =0.25×V⇒V=256 volt
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4 x 1020 eV energy is required to move a charge of 0.25 coulomb between two points. What will be the potential difference between them?