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MSC,MBA(IT)
Standford
Jun-1997 - Sep-2000
IT Manager
Honeywell
Aug-2001 - Present
A steel ring of radius r and cross sectional area A is fitted onto a wooden disc of radius R(R > r). If the Young’s modulus of steel is Y, then the force with which the steel ring is expanded is, (Andhra 86)
(a)Â Â (b)Â
(c)Â Â (d)Â
Answer: (b)
14.
In a wire stretched by hanging a weight from its end, the elastic potential energy per unit volume in terms of the longitudinal strain s and modulus of elasticity Y is, (PMT 87 MP)
(a)Â Â (b)Â
(c)Â Â (d)Â
Answer: (a)
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