Q.

The deflection of a hot wire instrument depends on

  • AMaximum value of alternating current 
  • BInstantaneous value of alternating current
  • CRMS value of alternating current
  • DAverage value of alternating current
Correct Answer : (C)

RMS value of alternating current

Hints :

The deflection of a hot wire instrument depends on RMS value of alternating current.

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