Question text
25 A wire of length 0.50 m and cross-sectional area 1.0 × 10–6 m2 has a resistance of 0.75 Ω. Another wire of the same material has a length of 2.0 m and a cross-sectional area of 0.50 × 10–6 m2. What is the resistance of the longer wire? A 0.094 Ω B 0.38 Ω C 1.5 Ω D 6.0 Ω
25 A wire of length 0.50 m and cross-sectional area 1.0 × 10–6 m2 has a resistance of 0.75 Ω.
Another wire of the same material has a length of 2.0 m and a cross-sectional area of 0.50 × 10–6 m2.
What is the resistance of the longer wire?
A 0.094 Ω B 0.38 Ω C 1.5 Ω D 6.0 Ω
Select your answer: