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An electron falls through a potential di...

An electron falls through a potential differsence of `1000 V` and gives up `1.6 xx10^(-16) J` of energy. What is the charge on the electron?

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A, C
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Knowledge Check

  • An electron of charge 'e' coulomb passes through a potential difference of V volts. Its energy in 'joules' will be

    A
    `V//e`
    B
    `eV`
    C
    `e//V`
    D
    `V`

  • An electron is accelerated through a potential difference of 200 volts. If e//m for the electron be 1.6 xx 10^(11) coulomb/kg, the velocity acquired by the electron will be

    A
    `8 xx 10^(6) m//s`
    B
    `8 xx 10^(5)m//s`
    C
    `5.9 xx 10^(6)m//s`
    D
    `5.9 xx 10^(5)m//s`

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

    A
    `10^(-19)J`
    B
    `1.6xx10^(-19)`erg
    C
    `1.6xx10^(-19)`J
    D
    1 J

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