Physics · Current Electricity
A student plots three graphs of current (I) against voltage (V) for three Ohmic conductors A, B, and C. He finds that the slopes of these three graphs are 0.5, 0.1, and 0.2, respectively. If the conductors have the same length and their cross-sectional areas are in the ratio 1 : 2 : 3, then the ratio of their resistivities (ρ A : ρ B : ρ C ) will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 : 20 : 15
- 23 : 20 : 15
- 34 : 20 : 15
- 42 : 20 : 15✓
Correct answer
2 : 20 : 15
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