What is the role of the jockey in a potentiometer?

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To measure current
To connect the circuit
To find the null point
To provide a reference voltage

Questions & Step-by-step Solutions

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Q: What is the role of the jockey in a potentiometer?

Solution: The jockey is used to find the null point where the potential difference is balanced, indicating the measurement of the unknown voltage.

Steps: 5

Step 1: Understand that a potentiometer is a device used to measure voltage.
Step 2: Know that the jockey is a movable contact that touches the wire of the potentiometer.
Step 3: Move the jockey along the wire to find a point where the voltage is balanced.
Step 4: This balanced point is called the null point, where no current flows through the galvanometer.
Step 5: The position of the jockey at the null point helps measure the unknown voltage accurately.

What is the role of the jockey in a potentiometer?

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Questions & Step-by-step Solutions

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