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Charges +q -4q and +2q are arranged at t...

Charges `+q -4q` and `+2q` are arranged at the corners of an equilateral triangle of side `0.15m`. If the `q=1 muC` their mutual potential energy is

A

0.4J

B

0.5J

C

0.6J

D

0.8J

Text Solution

Verified by Experts

The correct Answer is:
C
`V = (1)/(4pi in_(0)) ((q_(1) q_(2))/(r_(1)) + (q_(2) q_(3))/(r_(2)) + (q_(1) q_(3))/(r_(3)))`
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NARAYNA-ELECTROSTATIC POTENTIAL AND CAPACITANCE-Exercise -1 (C.W)
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