An electron initially at rest is accelerated through a potential difference of 1 V. The energy gained by the electron is:

1 J

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10^-19J

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1.6 × 10^-19 J

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None of these

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Solution

The correct option is C
1.6 × 10^-19 J

Energy = qV
= (1.6 x 10^-19C) x(1 V)
= 1.6 x 10^-19J

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