Which of the following statements is true regarding the use of a potentiometer?

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Question: Which of the following statements is true regarding the use of a potentiometer?

Options:

Correct Answer: It is not affected by the internal resistance of the source

Solution:

A potentiometer is not affected by the internal resistance of the source because it measures voltage by balancing it against a known voltage.

Which of the following statements is true regarding the use of a potentiometer?

Which of the following statements is true regarding the use of a potentiometer?

Correct Answer: A potentiometer is not affected by the internal resistance of the source.

Step 1: Understand what a potentiometer is. A potentiometer is a device used to measure voltage by comparing it to a known voltage.
Step 2: Learn about internal resistance. Internal resistance is the resistance within a power source (like a battery) that can affect the voltage output.
Step 3: Know how a potentiometer works. A potentiometer measures voltage by balancing the unknown voltage against a reference voltage without drawing current from the source.
Step 4: Realize that because a potentiometer does not draw current, it is not affected by the internal resistance of the source.
Step 5: Conclude that the statement about the potentiometer not being affected by internal resistance is true.

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