Physics, asked by danielsman3, 10 months ago

Two reasons why the soft coil iron core is needed

Answers

Answered by debangshubanik008
3

Explanation:

A soft iron core is used in a moving coil galvanometer. The soft iron core attracts the magnetic lines of force and hence the strength of the magnetic field increases if we use soft iron core. Thus the sensitivity of galvanometer increases.

Answered by shwetashukla794
2

Explanation:

  • soft iron core is needed for making of temperary magnet
  • it is used because it can be easily magnetise and demagnetises
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