Solve this : 11 An iron rod of length 100 cm and 10 cm2 cross-section is heated - Physics - Electromagnetic Induction

Question

Solve this :

11 An iron rod of length 100 cm and 10 cm2 cross-section
is heated from 0oC to 100o If it is not
allowed to bend or expand, what force is developed in it ? Given
that Y -1012dyne/cm2 and a =
10-5/oC
(a) 108 dyne
(b) 109 dyne
(c) 1010 dyne
(d) 1011 dyne

Sanjay Singh · Accepted Answer

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Solve this : 11. An iron rod of length 100 cm and 10 cm2 cross-section is heated from 0oC to 100o If it is not allowed to bend or expand, what force is developed in it ? Given that Y -1012dyne/cm2 and a = 10-5/oC. (a) 108 dyne (b) 109 dyne (c) 1010 dyne (d) 1011 dyne

Solve this :

11. An iron rod of length 100 cm and 10 cm² cross-section is heated from 0^oC to 100^o If it is not allowed to bend or expand, what force is developed in it ? Given that Y -10¹²dyne/cm² and a = 10^-5/^oC.
(a) 10⁸ dyne
(b) 10⁹ dyne
(c) 10¹⁰ dyne
(d) 10¹¹ dyne