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For measurement of potential difference,...

For measurement of potential difference, potentiometer is perferred in comparison to voltmeter because

A

Statement `1` is true, Statement `2`is True , Statement `2` is correct explanation for Statement `1`.

B

Statement `1` is True, Statement `2` is True, Statement `2` is NOT a correct explantion for Statement `1`.

C

Statement `1` is True, Statement `2` is False.

D

Statement `1` is False, Satement `2` is True.

Text Solution

Verified by Experts

The correct Answer is:
A
In a balanced condition, the potentiomaeter does not draw any current, anf hence does not disturb the circuit.
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Knowledge Check

  • For the measurement of potential difference, voltmeter is connected

    A
    in parallel with the circuit
    B
    in open circuit
    C
    in series with the circuit
    D
    beyond the circuit

  • 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

  • Potentiometer is superior to voltmeter because

    A
    potentiometer has high resistance
    B
    potentiometer has low resistance
    C
    potentiometer does not draw any current from the unknown source of emf to be measured
    D
    potentiometer has greater size than voltmeter