An electron at rest has a charge of $1.6 \times 10^{- 19} C$ . It starts moving with a velocity $v = c / 2$ , where $c$ is the speed of light, then the new charge on it is -

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Solution

Charge is independent of speed. So, the speed of the electron can not affect the charge of the electron.

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An electron at rest has a charge of 1.6×10−19 C. It starts moving with a velocity v=c/2, where c is the speed of light, then the new charge on it is -

Charge is independent of speed. So, the speed of the electron can not affect the charge of the electron.

An electron at rest has a charge of $1.6 \times 10^{- 19} C$ . It starts moving with a velocity $v = c / 2$ , where $c$ is the speed of light, then the new charge on it is -