Question

2. An electron at rest has a charge of 1.6 * 10-19 C.
It starts moving with a velocity v = 4/2, where c
is the speed of light, then the new charge on it is
(A) 1.6 x 10-19 Coulomb
0
(B) 1.6 x 10-19
Coulomb
mysig
(C) 1.6 x 10-19
(
३
)
Coulomb
1.6 10-18
(D)
Coulomb
Sol.​

Answer 1

An electron charge =1.6×10 -19C

Velocity V= C/2

the value of the new charge, the speed of light can not be affect the charge of the electron. Hence the new charge will be 1.6×10

−19

C.