A charge of 10 e.s.u. is placed at a distance of 2 cm from a charge of – McqOptions

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1.	A charge of 10 e.s.u. is placed at a distance of 2 cm from a charge of 40 e.s.u. and 4 cm from another charge of 20 e.s.u. The potential energy of the charge 10 e.s.u. is (in ergs) [CPMT 1976; MP PET 1989]
A.	87.5
B.	112.5
C.	150
D.	250
Answer» E.

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