Q.Which type of instrument is used to measure very small currents of high frequency?

  • AInduction type
  • BDynamometer type 
  • CPermanent magnet moving coil type ammeter
  • DThermocouple type 
Correct Answer : (D)

Thermocouple type 

Hints :

Thermocouple type  instrument is used to measure very small currents of high frequency.

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