The kinetic energy of an electron accelerated from rest through a potential difference of 5V will be:

5 J

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5 e r g

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5 e V

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8 \times 10^{- 10} e V

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Solution

The correct option is C $5 e V$
The kinetic energy of an electron is given by, $\frac{1}{2} m v^{2} = e V$ .

Voltage $V = 5 V$

$\frac{1}{2} m v^{2} = 5 e V$ .

Option (C) is correct.

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The kinetic energy of an electron accelerated from rest through a potential difference of 5V will be:

The correct option is C 5 eVThe kinetic energy of an electron is given by, 12mv2=eV.Voltage V=5V12mv2=5eV.Option (C) is correct.

The correct option is C $5 e V$
The kinetic energy of an electron is given by, $\frac{1}{2} m v^{2} = e V$ .

Voltage $V = 5 V$

$\frac{1}{2} m v^{2} = 5 e V$ .

Option (C) is correct.