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Two point charges Q and - Q //4 are sep...

Two point charges Q and ` - Q //4` are separated by a distance ` X`. Then .

A

potential is zero at a point on the axis which is ` x//3` on the right side of the cahrge `-q//4`

B

potential is zero at a point on the axis which is `x//5` on the left side fo the charge `- Q//4`

C

electric field is zero at a point on the axis which is at a distance `x` on the right side fo the charge `- Q//4`

D

there exist two points on the axis where electric field is zero.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C
Potential will be zero on ritht side and left side of charge overline,
` (##NG_PHY_C01_E01_072_S01.png" width="80%">
For `V_P =0 rArr (KQ)/(x +y) + (K(-Q//4))/y =0`
` y= x/3`
For ` V_q =0 rArr (KQ)/((x -y')) + (K(-Q//4))/y' =0`
` y' = x/5`.
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