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Q.

Is it true that the resistance of a voltmeter should be low?


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
Voltmeters are devices that are connected in parallel and are used to measure the potential difference between two places. For accurate readings, a voltmeter needs to have an extremely high resistance because, in order to measure the potential difference, all current must go via the resistor and not through the instrument itself. If the voltmeter has a low resistance, the current will divide and pass through it, producing inaccurate readings.
The correct statement would be that's resistance of a voltmeter should be high.
 
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