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ICSE Class 10 Physics Question 6 of 20

Solved 2018 Question Paper ICSE Class 10 Physics — Question 20

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Question

Question 4(e)

State any two advantages of electromagnets over permanent magnets. [2]

Answer

The two advantages of electromagnets over permanent magnets are :

  1. An electromagnet can be made to produce a strong magnetic field (increasing the number of turns in the coil).
  2. The polarity of the electromagnet can be reversed.