Two circular loops of areas A and 4A carry currents 2I and I respectively. The magnetic…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
Two circular loops of areas A and 4A carry currents 2I and I respectively. The magnetic fields at their centres will be in the ratio of:
- \(3: 1\)
- \(4: 1\)
- \(1: 1\)
- \(1: 2\)
Answer
(B) 4: 1
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