0

Guest

Courses New

a spherical conductor has inner radii 5 cm and outer radii 10 cm. a point charge of 1C is placed at a distance 3 cm from the center of the sphere. an external field of 20N/C is also applied. if the net force on the charge is 15 N away from the centre, find the force that the charge exerts on the sphere.

a spherical conductor has inner radii 5 cm and outer radii 10 cm. a point charge of 1C is placed at a distance 3 cm from the center of the sphere. an external field of 20N/C is also applied. if the net force on the charge is 15 N away from the centre, find the force that the charge exerts on the sphere.
 

Grade:12th pass

1 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
3 years ago
External applied field's effect is neutralized by charge induced on outer surface, i.e., their combined effect is zero. Hence, force applied by induced charges on outer surface should be equal and opposite to that applied by electric field. This is equal toqE=1×20=20NqE=1×20=20Ntoward left.15N force is only due to induced charged on the inside surface of the hollow sphere. Hence, net force by induced charges is15+20=35N

Think You Can Provide A Better Answer ?

Other Related Questions on Electrostatics

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More