Physics Past Questions and Answers

the ray which causes gas molecules to glow is known as

A transformer is rated 240v. If the primary coil is 4000 turns and the secondary voltage 12v, determine the number of turns in the secondary coil.

The current in a reverse-biased junction is due to?

which of the following materials is a conductor?

When the temperature difference between the wet and dry bulbs of a hygrometer is high, this indicates that