PH-1060
Resistance
Physics · Secondary 4 · Medium · Resistance
A metal wire of length 5.0 m has a resistance of 10 Ω. A second wire of the same material has twice the length and three times the cross-sectional area of the first wire.
What is the resistance of the second wire?
What is the resistance of the second wire?
- 6.7 Ω
- 3.3 Ω
- 15 Ω
- 20 Ω
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