Find the current in the wire for the configuration shown in figure. Wire PQ has negligible resistance. B, the magnetic field is coming out of the paper. θ is a fixed angle made by PQ travelling smoothly over two conducting parallel wires separated by a distance d
Find the current in the wire for the configuration shown in figure. Wire PQ has negligible resistance. B, the magnetic field is coming out of the paper. θ is a fixed angle made by PQ travelling smoothly over two conducting parallel wires separated by a distance d
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1 Answer
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This is a short answer type question as classified in NCERT Exemplar
The motional emf along PQ = length PQ × field along PQ
= length PQ × vBsin
= vB sin = vBd
So emf make the flow of current in the circuit with resistance R
I= dvB/R
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