In a potentiometer setup, what is the role of the jockey?

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Question: In a potentiometer setup, what is the role of the jockey?

Options:

Correct Answer: To find the null point

Solution:

The jockey is used to touch the wire and find the null point where the galvanometer shows zero deflection, indicating balance.

In a potentiometer setup, what is the role of the jockey?

In a potentiometer setup, what is the role of the jockey?

Correct Answer: Jockey ka role hai wire ko touch karna aur null point dhoondhna jahan galvanometer zero deflection dikhata hai.

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.

Potentiometer Functionality – The potentiometer is used to measure voltage by balancing it against a known voltage, and the jockey helps in locating the point of balance.
Null Point Concept – The null point is where the galvanometer shows zero deflection, indicating that the potential difference across the wire is equal to the reference voltage.