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Question

Physics Question on Electrostatic potential

The electron is accelerated through a potential difference of 10 V. The additional energy acquired by the electron is :

A

1.6×10−19eV1.6\times {{10}^{-19}}eV

B

1.6×10−18eV1.6\times {{10}^{-18}}eV

C

1.6×10−18J1.6\times {{10}^{-18}}J

D

1.6×10−19J1.6\times {{10}^{-19}}J

Answer

1.6×10−18J1.6\times {{10}^{-18}}J

Explanation

Solution

Additional energy acquired by the electron will be =10×e=10\times e =10×1.6×10−19=1.6×10−18J=10\times 1.6\times {{10}^{-19}}=1.6\times {{10}^{-18}}J