Easy MCQ +4 / -1 PYQ · JEE Mains 2020

Magnetic materials used for making permanent magnets (P) and magnets in a transformer (T) have different properties of the following, which property best matches for the type of magnet required?

  1. A T : Large retentivity, small coercivity
  2. B P : Large retentivity, large coercivity Correct answer
  3. C P : Small retentivity, large coercivity
  4. D T : Large retentivity, large coercivity

Solution

Option (2) is correct as permanent magnet should have high coercivity & retentivity.

About this question

Subject: Physics · Chapter: Magnetism · Topic: Bar Magnet and Magnetic Field

This question is part of PrepWiser's free JEE Main question bank. 52 more solved questions on Magnetism are available — start with the harder ones if your accuracy is >70%.

Drill 25 more like these. Every day. Free.

PrepWiser turns these solved questions into a daily practice loop. Chapter-wise drills, full mocks, AI doubt chat. No auto-renew.

Start free →