Q4 of 44 Page 428

The laws of electromagnetism tell us that energy can be transferred from one object to another:

The transfer of energy is in the form of radiation and radiation is in the form of electromagnetic rays and these rays do not need any material medium to propagate.

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2

By increasing the number of turns 3 times in a toroidal solenoid, the magnetic field:

 3

The induced potential difference produced, in a coil when a magnet is inserted in it doesn’t depend upon:

 5

A soft iron bar is introduced inside a current carrying solenoid. The magnetic field inside the solenoid:

 6

Inside a current carrying solenoid the magnetic lines of force are: