A wire is stretched through 2 mm by a certain load. The extension produced in a wire of the same material with double the length and radius with the same load will be________
A. 2 mm
B. 4 mm
C. 1 mm
D. 0.5 mm
Answer:C
A wire is stretched through 2 mm by a certain load. The extension produced in a wire of the same material with double the length and radius with the same load will be________
A. 2 mm B. 4 mm C. 1 mm D. 0.5 mm