Question
Physics Question on Resistance
A wire of resistance 4Ω is stretched to twice its original length. The resistance of stretched wire would be
A
22 Ω
B
48 Ω
C
80 Ω
D
16 Ω
Answer
16 Ω
Explanation
Solution
The correct option is (D): 16 Ω
A wire of resistance 4Ω is stretched to twice its original length. The resistance of stretched wire would be
22 Ω
48 Ω
80 Ω
16 Ω
16 Ω
The correct option is (D): 16 Ω