Tag: magnetic compass

Questions Related to magnetic compass

State True or False :
A child staying in a coastal region tests the drinking water  with his tester. He finds that the compass needle deflects more in the case of sea water.

magnetic compass magnetic poles and magnetic compass properties of magnet effect of electric current physics

  1. True

  2. False

Show answer
Correct Option: A
Explanation:

Sea water contains more dissolved salts than the drinking water. 

Hence, it is more conducting than the drinking water. Because of this reason, the compass needle deflects more in sea water than in the drinking water.

Complete the following statements with an appropriate word / term to be filled in the blank space(s).

A compass needle is a ________ magnet :

magnetic compass magnetic poles and magnetic compass properties of magnet effect of electric current physics

  1. small

  2. big

  3. fieldless

  4. super

Show answer
Correct Option: A
Explanation:

A compass is an extremely simple device. A magnetic compass consists of a small, lightweight magnet balanced on a nearly frictionless pivot point. No matter where you stand on Earth, you can hold a compass in your hand and it will point toward the north and south pole.