Question

Q35.Whatismeantbyelectromagneticinduction?Statetheruleswhichhelpsin

determiningdirectionofinducedcurrent.​

Answer 1

Electromagnetic induction

The phenomenon of generation of induced emf and induced current due to change in magnetic field lines associated with a closed circuit is called electromagnetic induction.

Fleming's right hand rule

This rule gives the direction of induced current set up in a conductor moving perpendicular to a magnetic field and can be stated as follows:

If we stretch the thumb and the first two fingers of our right hand in mutually perpendicular direction and if the forefinger points in the direction of the magnetic field, thumb in the direction of motion of the conductor; then the central finger points in the direction of current induced in the conductor.

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