Physics Past Questions and Answers

Which of the following obeys Ohm's Law?

An equipment whose power is 1500W and resistance is 375 ohms would draw a current of

To convert an alternating current dynamo into a direct current dynamo, the

If a current carrying coil is mounted on a metal frame, the back e.m.f. induced in the coil causes

The electrochemical equivalent of platinum is 5.0 x 10^-7kgC^-1 to plate-out 1.0kg of platinum, a current of 100A must be passed through an appropriate vessel for