Resistance of a metal wire of length 10cm is 2 OE if the wire is stretched uniformly to 50 cm, the resistance is:
A. 25 Ω
B. 10 Ω
C. 5 Ω
D. 50 Ω
Answer:D
Resistance of a metal wire of length 10cm is 2 OE if the wire is stretched uniformly to 50 cm, the resistance is:
A. 25 Ω B. 10 Ω C. 5 Ω D. 50 Ω