A wire of length L is stretched by a length E when a force F is applied at one end. If the elastic limit is not exceeded the amount of energy stored in the wire is_________________?

Related Mcqs:

When a force is applied at one end of an elastic wire it produces at strain ∝ in the wire. If y is the youngs modulus of the material of the wire the amount of energy stored per unit volume of the wire is given by_________________?

A. Y∝ B. 2Y∝ C. Y∝/2 D. Y∝2...

A ferromagnet will become fully magnetized at_________________?

A. High voltage A.C B. Low voltage A.C C. Alternating current at its peak value D. D.C current at peak value...

A wire suspended vertically from one end is stretched by attaching a weight of 20N to the lower end. The weight stretches the wire by 1mm. How much energy is gained by the wire ?

A. 0.01J B. 0.02J C. 0.04J D. 1.0J...

In simple cube one atom or molecule lies at its______________________?

A. Force corners B. Nine corners C. Eight corners D. Six corners...

A vacant or partially filled band is called _____________________?

A. Conduction band B. Valence band C. Forbidden band D. Empty band...