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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?
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a
178 V
b
256 V
c
356 V
d
None of these
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Correct option is B
By using KE=QV⇒4×1020×1.6×10-19 =0.25×V⇒V=256 voltSimilar Questions
Kinetic energy of an electron accelerated through a potential difference of 100 V is
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