Question
Physics Question on Resistance
A wire of resistance 3Ω is stretched to twice its original length. The resistance of the new wire will be
A
1.5 Ω
B
3 Ω
C
6 Ω
D
12 Ω
Answer
12 Ω
Explanation
Solution
The correct answer is (D) : 12 Ω.
A wire of resistance 3Ω is stretched to twice its original length. The resistance of the new wire will be
1.5 Ω
3 Ω
6 Ω
12 Ω
12 Ω
The correct answer is (D) : 12 Ω.