Question

How much energy attained by an electron by applying 20 volt potential ?

Answer 1

$\huge\tt\pink{answer}$

Answer 2

Calculate the energy gained by the electron due to the field.

Q = 1.6 × 10 − 19 J.

E = 1.6 × 10 − 19 × 2000.

E = 3.2 × 10 − 16 J.