In measuring high frequency a.c, the instrument used is the

Physics JAMB 2011

In measuring high frequency a.c, the instrument used is the

  • d.c ammeter
  • moving coil ammeter
  • moving iron ammeter
  • hot wire ammeter checkmark

The correct answer is: D

Explanation

Hot wire ammeter is used because the heat affect of A C is same as that of DC

There is an explanation video available .

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