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Potentiometer measures the potential dif...

Potentiometer measures the potential difference more accurately than a voltmeter, because

A

it has a wire of high resistance

B

it has a wire of low resistance

C

it does not draw current from external circuit

D

it draws a heavy current from external circuit

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Potentiometer measures potential more accurately because

    A
    it measures potential in the closed circuit
    B
    it measures potential in the open circuit
    C
    it uses high resistance potentiometer wire
    D
    none of these

  • For measuring potential difference a potentiometer is better than a voltmeter because it

    A
    Uses a long wire
    B
    Works on the principle of wheatstone bridge
    C
    Does not disturb the potential difference under measurement
    D
    Uses a battery of larger emf in the main circuit

  • The unit for measuring potential difference is:

    A
    watt
    B
    ohm
    C
    volt
    D
    kWh

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