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ICSE Class 10 Physics Question 21 of 136

Electro-magnetism — Question 11

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11
Question

Question 11

Horse shoe magnets are used in :

  1. d.c. motor
  2. a.c. generator
  3. electric bell
  4. all of the above
Answer

all of the above

Reason — Horse shoe magnets are used in :

  1. d.c. motor
  2. a.c. generator
  3. electric bell