Question

19. The capacitance of a capacitor is doubled if

a) the P.D applied to it is doubled b) the charge given to it is halved

c) Area of the plate is doubled d) the distance between the plates is doubled.

20. The work done in moving 500 µC charge between two points on a surface which maintain a potential

difference of 1 volt is

a) 5 x 10–4

Joule b) 5 Joule c) zero d) infinite​

Answer 1

Answer:

a )5*10-4

joule b 5joule c zero d infinte