Question
For measurement of potential difference, potentiometer is preferred in comparison to voltmeter because(a) Potentiometer is more sensitive than voltmeter(b) The resistance of potentiometer is less than voltmeter(c) Potentiometer is cheaper than voltmeter(d) Potentiometer does not take current from the circuit
 
 
 
 

Answer

(d) Potentiometer does not take current from the circuit

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