An electron (charge = $1.6 \times {10^{ - 19}}$ $coulomb$) is accelerated through a potential of $1,00,000$ $volts$. The energy required by the electron is
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(d) Energy $ = 1.6 \times {10^{ - 19}} \times 100000 = 1.6 \times {10^{ - 14}}J$
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