If a potentiometer is used to measure the potential difference across a resistor

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Question: If a potentiometer is used to measure the potential difference across a resistor, what must be true about the circuit?

Options:

Correct Answer: The potentiometer must be connected in parallel with the resistor.

Solution:

To measure the potential difference across a resistor, the potentiometer must be connected in parallel with the resistor.

If a potentiometer is used to measure the potential difference across a resistor, what must be true about the circuit?

If a potentiometer is used to measure the potential difference across a resistor, what must be true about the circuit?

Correct Answer: Potentiometer ko resistor ke parallel connect karna chahiye.

Step 1: Understand what a potentiometer is. It is a device used to measure voltage or potential difference.
Step 2: Know that a resistor is a component in a circuit that resists the flow of electric current.
Step 3: Realize that to measure the voltage across a component (like a resistor), you need to connect the measuring device (potentiometer) directly across that component.
Step 4: Connect the potentiometer in parallel with the resistor. This means both ends of the potentiometer should be connected to the same two points of the resistor.
Step 5: Ensure that the circuit is powered so that there is a potential difference across the resistor to measure.

Potentiometer Functionality – A potentiometer is used to measure voltage by balancing it against a known reference voltage, requiring it to be connected in parallel to the component whose voltage is being measured.
Circuit Configuration – Understanding the correct configuration of components in a circuit is crucial for accurate measurements, particularly the distinction between series and parallel connections.