Q.Volt-box is basically a device used for

  • AMeasuring the voltage
  • BMeasuring power
  • CExtending the enrage of voltmeter
  • DExtending the voltage range of the potentiometer
Correct Answer : (D)

Extending the voltage range of the potentiometer

Hints :

Volt-box is basically a device used for Extending the voltage range of the potentiometer.

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