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Question: Answered & Verified by Expert
P, Q and R are long straight wires in air, carrying currents as shown. The force on Q is directed


PhysicsMagnetic Effects of CurrentNEET
Options:
  • A to the left
  • B to the right
  • C perpendicular to the plane of the diagram
  • D along the current in Q
Solution:
1989 Upvotes Verified Answer
The correct answer is: to the left
Since the magnetic field at Q by P and R is inward, therefore, both due to 20 A P as well as 60 A R, the force on Q is towards left.

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