. Diameter should now be, in mm


If 5 m long aluminium wire of diameter 3 mm supports a 40 kg mass. In order to have the same elongation in a copper wire  of the same length under the same weight

A. 1.75

B. 2.0   

C. 2.3

D. 5.0


    

Best Answer

Ans :C

WE

If the elongation in both wires (of same length) are same under the same weight, then d2y constant 

we

Talk to Our counsellor