A uniform wire, fixed at its upper end, hangs vertically and supports a weight at its lower end. If its radius is r, its length L and the Young’s modulus for the material of the wire is E, the extension is 1. directly proportional to E 2. inversely proportional to r 3. directly proportional to L
a)	If only 3 is correct	b)	If 1, 2 are correct	c)	If 2, 3 are correct	d)	If only 1 correct

Question ID - 55794 | SaraNextGen Top Answer

A uniform wire, fixed at its upper end, hangs vertically and supports a weight at its lower end. If its radius is r, its length L and the Young’s modulus for the material of the wire is E, the extension is 1. directly proportional to E 2. inversely proportional to r 3. directly proportional to L
a)	If only 3 is correct	b)	If 1, 2 are correct	c)	If 2, 3 are correct	d)	If only 1 correct