Question
The value of electric potential at a distance of 9 cm from the point charge 4 10^ -7 C is [ . Given . 1 4 _0 =9 10^9 ~N ~m ^2 C ^ -2 ] :
The value of electric potential at a distance of 9 cm from the point charge 4 10^ -7 C is [ . Given . 1 4 _0 =9 10^9 ~N ~m ^2 C ^ -2 ] :
D. 4 10^4 ~V
V= k q r =9 10^9 4 10^ -7 9 10^ -2 =4 10^4 ~V
Related: Physics — Electrostatics · All PYQ Banks