Physics Past Questions and Answers

Which of the following is a vector?

Three cells each of e.m.f. 1.5v and an internal resistance of 1.0\(\Omega\) are connected in parallel across a load resistance of 2.67\(\Omega\). Calculate the current in the load?

When a known standard resistor of 2\(\Omega\) is connected to the 0.0cm end of a meter bridge, the balance point is found to be at 55.0cm. What is the value of the unknown resistor?

The total energy required to send a unit positive charge round a complete electrical circuit is the

Which of the following is an essential physical property of the wires used for making fuses?