What is the unit of measure of magnetic field ?

The rule to determine the direction of a current induced in a coil due to its rotation in a magnetic field is :

Which of the folowing is equivalent to tesla ?

Assertion (A): The electric field inside a charged metallic sphere is zero. Reason (R): Charges reside only on the outer surface of a conductor. Choose the correct option.

Which of the following radiation is used to get relief from body aches ?

One of the properties associated with X-rays is that they can be deflected by