100+ Advanced Physics Questions and Answers Pdf - 3

Question: 11

What is a load stone?

Load stone is a natural magnet.

Question: 12

Define electric current and electrons?

Electric current is the flow of electric charge through a wire.

Electrons are the negatively charged sub atomic particles.

The electric current is due to the flow of electrons through a conductor.

Question: 13

Name any three good conductors of electricity?

Silver, copper and aluminium.

Question: 14

What are the two specific properties of a magnet?

Magnet attracts magnetic substances like iron, nickel, cobalt etc.

When suspended freely it always rests in the north south direction.

Question: 15

Name the three methods of making a magnet?

The three method of making a magent are

(i). Single touch method

(ii). Double touch method and

(iii). Electrical method.