A student sets up two circuits: Circuit X uses a thin, long copper wire, and Circuit Y uses a thick, short copper wire, both connected to identical batteries. Which circuit will have a higher resistance, and why?

Question

A student sets up two circuits: Circuit X uses a thin, long copper wire, and Circuit Y uses a thick, short copper wire, both connected to identical batteries. Which circuit will have a higher resistance, and why? — Exam MCQ

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B. Circuit X because the resistance increases with length and decreases with cross-sectional area — The correct choice is Circuit X because the resistance increases with length and decreases with cross-sectional area. It follows from the basic electrical relationship between voltage, current, resistance, charge or electrical energy described in the question.

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A. Circuit Y because the resistance decreases with length and increases with cross-sectional area

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C. Circuit Y because the resistance increases with length and decreases with cross-sectional area

rrbjepyq.in · Answer

D. Circuit X because the resistance decreases with length and increases with cross-sectional area

A student sets up two circuits: Circuit X uses a thin, long copper wire, and Circuit Y uses a thick, short copper wire, both connected to identical batteries. Which circuit will have a higher resistance, and why?

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