A transformer has 400 turns of wire in the primary coil and 40 turns in the secondary col. If the input voltage is 150 volts. Calculate the magnitude of the...

If no net force acts on an object, the object maintains a state of rest or constant speed in a straight line. The above is a statement of Newton's

Which of the following pairs of physical quantities is made up of vectors?

A body is projected vertically upwards with a speed of 10 ms-1 from a point 2m above the ground. Calculate the total time taken for the body to reach the gro...

An object of mass m moves with a uniform speed v round a circular path of radius r. If its angular speed is \(\omega\), the magnitude of the centripetal forc...

A ball falling through a viscous liquid is acted upon by

When an elastic material is stretched by a force, the energy stored in it is

When the linear momentum of a body is constant, the net force acting on it

The knowledge of surface tension is applied in the following areas except in