A coil of wire of negligible resistance, acting as an inductor, is connected int

Question

A coil of wire of negligible resistance, acting as an inductor, is connected into a simple electrical circuit as shown. The voltage drop (or emf) across the inductor depends on which of the following: the number of turns of wire in the coil the current flowing through it its capacitance how rapidly current is changing in the coil the charge accumulated in the coil presence of a magnetic iron core inside the coil size and shape of the coil Select the correct options listed above. B, C, E, and G only A, B, C, and D only A, C, F, and G only B, C, F, and D only A, D. F, and G only All of these

Explanation / Answer

the emf in inductor is given by

v = L*di/dt

and it also follows Lenz law and Faraday's law.It is also governed by the presence of magnetic core and its shape.

so,emf induced will depend on:

A,D, F .and G. hence answer is option 5.

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