Physics Past Questions and Answers

A transformer with 55500 turns in its primary is used between a 240V a. c supply and a 120V kettle. Calculate the number of turns in the secondary

Local action is normally prevented from taking place in a simple electric cell by

A cell can supply current of 0.8A and 0.4A through a 2Ω and a 3Ω resistors respectively. Calculate the internal resistance of the cell.

A battery of emf 24V and internal resistance 4Ω is connected to a resistor of 32Ω. What is the terminal p.d of the battery?

Two parallel conductors carry equal currents in the same direction. Which of the following statement is not a correct observation?