Question

The electric potential due to a charged sphere of
radius 2.0 cm is 400 V at a distance of 10 cm from the
centre. What will be the electric field at a distance of
20 cm from the centre of the sphere​

Answer 1

Answer:

The electric potential due to a charged sphere of radius 2.0 cm is 400 V at a distance of 10 cm from the centre. What will be the electric field at a distance of 20 cm from the centre of the sphere? Ans. 1000 V-m .