Multiple choice

Which of the following are not the uses of a magnetic compass? (1) To find direction (2) To find the direction of magnetic field (3) To increase the strength of current in a circuit (4) To test the polarity of a magnet (5) To magnetise a magnetic material

  1. Only (1) and (2)

  2. Only (2) and (4)

  3. Only (1) and (3)

  4. Only (3) and (5)

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A magnetic compass is not used to increase the strength of current in a circuit and to magnetise a magnetic material because it is considered as a test magnet having feeble strength. All the others 1, 2 and 4 are applications of magnetic compass.