At the surface of the earth
At the surface of the armouring
At the surface of the insulator
At the surface of the conductor
The wall of a dam is broader at the base
The wall of a dam is made thicker at the bottom than at the top as the pressure exerted by the water on the wall
The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall
The washing machine works on the principle of
The waveform of a certain signal can be studied by
The wavelength at which the peak of intensity of blackbody radiation occurs
The wavelength used in radar is
The weakest of all fundamental forces is
The weight of a body acts through the core of
The weight of a person will be minimum at