Get Answers to all your Questions

header-bg qa

 The temperature of a wire of length 1m and area of cross-section 1cm2 is increased from 00C to 1000C.If the rod is not allowed to increase in length, the force required will be -

Option: 1

103N


Option: 2

104N


Option: 3

105N


Option: 4

109N


Answers (1)

best_answer

Force(F)= Force developed

            =Y A \alpha(\Delta \theta)

            =1011×10-4×10-5×100

            =104N

Posted by

Divya Prakash Singh

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE