Home
Class 12
PHYSICS
At the corners A, B, C of a square ABCD,...

At the corners A, B, C of a square ABCD, charges 10mC, -20mC and 10mC are placed. The electric intensity at the centre of the square to become zero, the charge to be placed at the corner D is 

A

`-20mC`

B

`+20mc`

C

`30mC`

D

`-30mC`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

The charges +5 mu C and +10 mu C are placed 20 cm apart. The electric field at the mid point between the two charges is

Four charges of 1 mC, 2mC, 3mC and- 6 mC are placed one at each corner of the square of side 1m. The square lies in the x-y plane with its centre at the origin.

A charge Q is placed at each corner of a cube of side a. The potential at the centre of the cube is