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The length of a metal wire is l_1 when the tension in it is T_1 and is l_2 when the tension is T, The natural length of the wire is

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asked Mar 27, 2018 in Physics by shabnam praween (19,050 points) ● 5 ● 6 ● 76
edited Mar 27, 2018 by shabnam praween

The length of a metal wire is l1 when the tension in it is T1 and is l2 when the tension is T, The natural length of the wire is

(a) (l1+l2)/2

(b) √(l1l2)

(c) (l1T2-l2 T1)/(T2-T1)

(d) (l1T2+l2T1)/(T2+T1)

1 Answer

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answered Mar 27, 2018 by santoshjha (25,550 points) ● 4 ● 5 ● 7
selected Mar 27, 2018 by Vikash Kumar
 
Best answer

(c) (l1T2-l2 T1)/(T2-T1)

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