1.

Two parallel wires are carrying electric currents of equal magnitude and in the same direction. They exert                    [CPMT 1990; MP PET/PMT 1988;  Orissa JEE 2003; AFMC 2003]

A.            An attractive force on each other
B.            A repulsive force on each other
C.            No force on each other
D.            A rotational torque on each other
Answer» B.            A repulsive force on each other


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