Moving Charges and Magnetism · Sources of magnetic field
Two identical circular loops P and Q each of radius are lying in parallel planes such that they have common axis. The currents through P and Q are and respectively in clockwise direction as seen from O. The net magnetic field at O is:
- (1) toward P
- (2) toward P
- (3) towards Q
- (4) towards Q
We corrected a printing error in the original paper
Source printed “The current through P and Q are”.
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