The best material to be used as a core in the coils for making electromagnet is:

A ) Rubber

B ) Plastic

C ) Steel

D ) Soft iron ✅

Related Questions
  1. Mathematical form of Ohm's law:
  2. The rate of flow of charges is called:
  3. Which of the following is non-magnetic substance?
  4. A closed circuit is the:
  5. An electric circuit is the path along which:
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