The potentiometer is best for measuring voltage, as:
1. It has a sensitive galvanometer
2. It has wire of high resistance
3. It measures p.d. like in closed circuit
4. It measures p.d. like in open circuit
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the specific resistance of a potentiometer wire is and the current flow through it is 0.1 A, the cross-sectional area of the wire is , then potential gradient will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology