Name the instrument used to check EMF of a battery
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Answer:
Potentiometer is the instrument which is used to check EMF of a battery.
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Answer:
POTENTIOMETER
Explanation:
- Potentiometer is used to measure or check the EMF of a battery
- potentiometer is a simple device
- it works on the principle of a potential dropped across a segment of uniform wire
- it have 3 terminal we can adjust voltage by voltage driver
- it works like resistance
- to finding unknown resistance we have formula L - 100 / L
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