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Two point metal charges-q and +2q are pl...

Two point metal charges`-q` and `+2q` are placed at a certain distance apart.Where should a third point charge be placed so that it is in equilibrium?

A

at the mid point on the line joining the two charges

B

on theline joining the two charges on the left of -q

C

between -q and +2q

D

at any point on the right bisector of the 1 in e joining -q and +2q.

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The correct Answer is:
B
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