Physics Past Questions and Answers

The amount of heat required to raise the temperature of a body is

Two lamps are rated 40W and 220V each are connected in series. The total power dissipated in both lamps is

In The Diagram, what is the value of W

The equivalent capacitance for the circuit drawn above is

The density 400cm<sup style='font-size: smaller;'>3</sup> of palm oil was 0.9gcm<sup style='font-size: smaller;'>-3</sup> before frying. If the density of the oil was 0.6gm<sup style='font-size: smaller;'>-3</sup> after frying,assuming no loss of oil due to spilling, its new volume was