What is the role of the galvanometer in a potentiometer circuit?
Correct Answer: Galvanometer ka role hai balance point dikhana.
- Step 1: Understand that a potentiometer is used to measure voltage.
- Step 2: Know that a galvanometer is a device that detects small electric currents.
- Step 3: In a potentiometer circuit, the galvanometer is connected to show when there is no current flowing through it.
- Step 4: This 'no current' condition means that the voltage across the wire is equal to the unknown voltage being measured.
- Step 5: When the galvanometer shows zero, it indicates the balance point, confirming the measurement.
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