Physics Past Questions and Answers

The following are some units i. Ns ii. Mm iii. Nm<sup style='font-size: smaller;'>-2</sup> iv. J<sup style='font-size: smaller;'>o</sup>K<sup style='font-size: smaller;'>-1</sup>. What are the units of latent heat?

The heat from the sun reaches the earth by the process

Two resistors R1 and R2 are connected in parallel, R2 being greater than R1. The combined resistance is

Three 5 ohms resistors connected in parallel have a potential difference of 60v. applied across the combination. The current in each resistor is

If NEPA charges 5k per kWhr, what is the cost of operating for 24 hours a lamp required 1A on a 200v line?