1.

Four wires each of length 2.0 metres are bent into four loops P, Q, R and S and then suspended into uniform magnetic field. Same current is passed in each loop. Which statement is correct                    [MP PET 1995; DPMT 1999]

A.            Couple on loop P will be the highest
B.            Couple on loop Q will be the highest
C.            Couple on loop R will be the highest
D.            Couple on loop S will be the highest
Answer» E.


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