Q

Two uniform wires made of the same material, having the same length, and maintained at the same temperature are compared. Which factor will cause one wire to have greater electrical resistance than the other?

RRB Group D 09 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: C Smaller cross-sectional area
The correct choice is Smaller 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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