PH-1111
Resistance
Physics · Secondary 4 · Medium · Resistance
A metal wire has resistance 18 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?
- 4.0 Ω
- 6.0 Ω
- 12 Ω
- 27 Ω
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