Q.In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will

  • AIncrease
  • BDecrease
  • CRemain same
  • DInitially increase then decrease
Correct Answer : (B)

Decrease

Hints :

In an iron cored coil the iron core is removed so that the coil becomes an air cored coil. The inductance of the coil will Decrease.

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The property of coil by which a counter EMF is induced in it. when the current through the coil changes is known as

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As per faraday’s law of electromagnetic induction, an EMF is induced in a conductor whenever it

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