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Questions and Answers
Which of the following is the correct definition of a potentiometer?
Which of the following is the correct definition of a potentiometer?
- A device that connects the two terminals of an input source to the end of a resistor
- A device that varies the position of a sliding contact across a uniform resistance (correct)
- A device that applies the entire input voltage across the whole length of a resistor
- A device that adjusts the output voltage by moving a sliding contact along a resistor
What is the function of a potentiometer in an electrical circuit?
What is the function of a potentiometer in an electrical circuit?
- To vary the position of a sliding contact
- To adjust the output voltage by moving a sliding contact (correct)
- To connect the two terminals of an input source to a resistor
- To apply the entire input voltage across a resistor
In a potentiometer, where is the entire input voltage applied?
In a potentiometer, where is the entire input voltage applied?
- Across the fixed contact
- Across the whole length of the resistor (correct)
- Across the sliding contact
- Across the input source
What is the output voltage in a potentiometer?
What is the output voltage in a potentiometer?
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What are the two terminals of the input source fixed to in a potentiometer?
What are the two terminals of the input source fixed to in a potentiometer?
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What are the different types of variable resistance sensors discussed in the module?
What are the different types of variable resistance sensors discussed in the module?
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What is the working principle of a resistive potentiometer?
What is the working principle of a resistive potentiometer?
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What is the function of a potentiometer in an electrical circuit?
What is the function of a potentiometer in an electrical circuit?
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How is the output voltage of a potentiometer adjusted?
How is the output voltage of a potentiometer adjusted?
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What is the uniform electrical resistance per unit length in a resistor?
What is the uniform electrical resistance per unit length in a resistor?
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