Question

15. A point charge of 5 °C is placed at the
centre of a sphere of radius 9.2 m.
If ε, = 8.854 x 10-12 C2 N-m, then the electric flux
through the surface of the sphere will be
(a) 435 x 10°N -m'c-
(b) 5.05 x10 N-m'c-
(c) 5.65 x10 N-mc-
(d) 5.95 x10 N-mºc-
13

Answer 1

Answer:

units. Speed of light in vacuum c. 2.9979 x 10 8 = 3 x 108 m/sec. Elementary electron charge e. 1.602 x 10~'9 coul. Electron rest mass. M,. 9.11 x 10 3 kg.