Physics Past Questions and Answers

The production and type of charge of a body can only be accounted for by the?

The main purpose of the transformer in an a.c radio set is to?

An electric heater with a p.d of 240 V connected across its terminals has a total resistance of 960Ω. find the power rating of the heater.

If the capacitance of an capacitor is C = (εA)/d, which of the following parameters is varied when a variable capacitors is used for tuning radio sets?

When an a.c. voltage is applied to a capacitor, no power is consumed because the current