MHT CET 2025 Physics question
Two long straight wires A and B carrying equal current 'I' were kept parallel to each other at distance 'd' apart. Magnitude of magnetic force experienced by length L of wire A is 'F'. If the distance between the wires is made half and currents are doubled, force F on length L of wire A will be
Answer: (C)
Solution
The force between two long parallel current-carrying wires is . Initially . Now in both wires (so ) and :
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