Physics Past Questions and Answers

When a positively charged rod is brought nearer the cap of a positively charged electroscope, the leaves divergence will

Power supply is transmitted at a very high voltage and low current in order to

A galvanometer with full-scale deflection of 10 mA is to be converted to a voltmeter with full-scale deflection of 5v. the resistance of the galvanometer is

Two inductors of inductances 5 mll and 15 mll are connected in series and a current of 5A flows through them. the total energy stored in the inductor is

In alternating current circuit at resonance, the angel of lead or lag is