When a steel wire fixed at one end is pulled by a constant force F at its other end,its length increases by l.Which of these is wrong?

Options :
  1. Work done by the external force is Fl
  2. The elastic potential energy is Fl
  3. The elastic potential energy is Fl/2
  4. The heat produced is equal to half of the elastic potential energy stored in the wire

Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : A uniform rod of mass m,length L,area of cross-section A and Young's modulus Y hangs from the ceili...

Next Question : The only elastic modulus which is applicable to fluids is --------

Click here for free online test on Elasticity


 (Getemail alerts when others member replies)

More questions and answers on Indian History :-

Do not give way to useless alarm though it is right to be prepared for the worst, there is no occasion to look on it as certain.
-Jane Austen Pride and Prejudice