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Current Electricity — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsCurrent Electricity1 Mark
Question

A potentiometer is an ideal device of measuring potential difference because

(a) It uses a sensitive galvanometer

(b) It does not disturb the potential difference it measures

(c) It is an elaborate arrangement

(d) It has a long wire hence heat developed is quickly radiated
✓

Answer

(b) It does not disturb the potential difference it measures

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