Physics · Current Electricity
A current of 2.0 A flows down a straight metal rod that has a 0.20 cm diameter. The rod is 2.0 m long, and the potential difference between its ends is 40 V. The resistivity of the material of the rod will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115.7 μΩ m
- 231.4 μΩ m✓
- 362.8 μΩ m
- 4125.6 μΩ m
Correct answer
31.4 μΩ m
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