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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > In the circuit shown, the cell is deal. The coil has an inductance of 4 H and zero resistance. F is a fuse of zero resistance and will blow when the current through it reaches 5 A. The switch is closed at t = 0. The fuse will blow:

In the circuit shown, the cell is deal. The coil has an inductance of 4 H and zero resistance. F is a fuse of zero resistance and will blow when the current through it reaches 5 A. The switch is closed at t = 0. The fuse will blow:

A horizontal ring of radius r = 1/2 m is kept in a vertical constant magentic field 1 T. The ring is collapsed from maximum area to zero area in 1 s. Then the emf induced in the ring is In the circuit shown