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Question: Calculate the net force acting on q<sub>0</sub> – ![](https://cdn.pureessence.tech/canvas_456.png?t...

Calculate the net force acting on q0

A

kqq02a2\frac{kqq_{0}}{\sqrt{2}a^{2}}

B

kqq0(a/2)2\frac{kqq_{0}}{(a/2)^{2}}

C

Zero

D

kqq0a2\frac{kqq_{0}}{a^{2}}

Answer

kqq0a2\frac{kqq_{0}}{a^{2}}

Explanation

Solution

Force due to (1), (2), (4) & (5) will cancel each other. Only force due to charge (3) will not get cancelled, hence FNet =kqq0a2\frac { \mathrm { kqq } _ { 0 } } { \mathrm { a } ^ { 2 } }.