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In a potentiometer setup, what is the role of the jockey?
In a potentiometer setup, what is the role of the jockey?
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Practice Questions
1 question
Q1
In a potentiometer setup, what is the role of the jockey?
To measure current
To connect the circuit
To find the null point
To provide a constant voltage
Show Solution
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The jockey is used to touch the wire and find the null point where the galvanometer shows zero deflection, indicating balance.
Questions & Step-by-step Solutions
1 item
Q
Q: In a potentiometer setup, what is the role of the jockey?
Solution:
The jockey is used to touch the wire and find the null point where the galvanometer shows zero deflection, indicating balance.
Steps: 6
Show Steps
Step 1: Understand that a potentiometer is a device used to measure voltage.
Step 2: Know that the setup includes a long wire and a galvanometer.
Step 3: The jockey is a small metal piece that can touch the wire.
Step 4: Move the jockey along the wire to find a point where the galvanometer shows zero deflection.
Step 5: This zero deflection means that the voltage across the wire at that point is equal to the voltage being measured.
Step 6: This point is called the null point, indicating balance in the circuit.
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