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Potentiometer measures the potential dif...

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

A

it does not draw current from external circuit

B

it draws a heavy current from external circuit

C

it has a wire of high resistance

D

it has a low resistance

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Assertion : Potentiometer is used only to compare potential differences. Reason: The potentiometer draws current from the voltage source being measured .

    A
    If both assertion and reason are true and reason is the correct explantion of assertion.
    B
    If both assertion and reason are true and reason is not the correct explantion of assertion.
    C
    If assertion is false but reason is true.
    D
    If assertion is true but reason is false.

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