Physics Class 12
Solutions to CBSE Sample Paper - Physics Class 12

If the magnetizing field on a ferromagnetic material is increased, its permeability


  1. decreases
  2. increases
  3. remains unchanged
  4. first decreases and then increases



(i) decreases

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.