The potential energy in an elastic string of force consta...
The potential energy in an elastic string of force constant k, which has an extension X is?
kX
KX\(^{2}\)
½KX\(^{2}\)
½K
Correct answer is C
elastic potential energy[Ee] = \(\frac{1}{2} ke^2\).
Which of the following is not true of an electrical charge? ...
Which one of the following is a vector quantity? ...
Which of the following devices is used to determine the relative density of an acid? ...
An instrument used to measure relative humidity is the? ...
The opposition offered to an alternating current in a C-R series circuit is known as ...
Which of the following statements are not true of a moving-coil milliammeter? I. It can be used t...