Physics Past Questions and Answers

A gas at pressure PN/m and temperature 27°c is heated to 77°c at constant volume. The new pressure is ____________

Two lamp rated 40w and 220w, each are connected in series. The total power dissipated in both lamps is ____________

A magnet is moved through a coil of wire. The emf produced in the wire depends on ____________

A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is ____________

Two boys are communicating with each other by stretching a string passing through a hole punched in the bottom of each of the two tin cans. The physical principle employed is that sound travels