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Four charges are arranged at the corners...

Four charges are arranged at the corners of a square ` ABCD`, as shown. The force on a =ve charge kept at the centre of the square is -

A

Zero

B

along diagonal `AC`

C

along diagonal ` BD`

D

perpendicular to the side ` AB`

Text Solution

Verified by Experts

The correct Answer is:
D
` (##NG_PHY_C01_E01_004_S01.png" width="80%">
` vec E_A + vec E_C = ` will be along `OA`
` vec E_B + vec E_E = ` will be along ` OB`
` | vec E_A | vec E_C |= | vec E_B + _D|`
So`E_o` will be perpendicular to side ` AB`.
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Knowledge Check

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