A science project requires a variable resistor to adjust the current in a circuit. Which symbol should be used in the schematic diagram to represent this component?

Question

A science project requires a variable resistor to adjust the current in a circuit. Which symbol should be used in the schematic diagram to represent this component? — Exam MCQ

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A. A zigzag line with an arrow across it — The correct choice is A zigzag line with an arrow across it. It follows from the basic electrical relationship between voltage, current, resistance, charge or electrical energy described in the question.

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B. A simple zigzag line

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C. Parallel long and short lines

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D. A straight line with a gap and bridge

A science project requires a variable resistor to adjust the current in a circuit. Which symbol should be used in the schematic diagram to represent this component?

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