Discussion Forum

A wire is stretched by a force F which causes an extension 1. The energy stored in the wire is____________________?

A. The extension of the wire is proportional to the force applied

B. The weight of the wire is negligible

C. The wire is not stretched beyond its elastic limit

D. The cross sectional area of the wire remains constant

Answer: A . The extension of the wire is proportional to the force applied

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Computer MCQS