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CLASS XII
Physics >> MAGNETICS
1.
In the adjoining diagram, a current-carrying loop pqrs is placed with its sides parallel to a long current-carrying wire. The currents i1 and i2 in the wire and loop are 20 A and 16 A respectively.
If a = 15 cm, b = 6 cm and d = 4 cm, what will be the force on current-loop pqrs? What will be the difference in the force, if the current i2 in the loop is clockwise instead of anticlockwise?
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