Q12 of 44 Page 428

The phenomenon of electromagnetic induction is:

When there is relative motion between a magnet and a closed loop there is formation of induced emf due to change in magnetic flux linked with the coil. More the speed more the induced emf.

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10

The magnetic field around a current carrying conductor is:

 11

The strength of the magnetic field of a solenoid does not depend upon:

 13

A device used for producing current is:

 1

Write true or false for the following statements:

If the direction of current is reversed, the direction of magnetic field is also reversed.