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Question

By changing the amount of ____________ linked with the circuit we can induce e.m.f in the circuit.


  1. Inductance

  2. Magnetic influx

  3. Eddy Current

  4. Potential difference


Solution

The correct option is B

Magnetic influx


E.m.f is induced in a circuit, whenever amount of magnetic flux, linked to the circuit is changed. Here B is the magnetic field, A is the area of loop and theta is the angle between normal to the coil and direction of magnetic field.

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