Forces : Turning Forces and Uniform Circular Motion — Physics STD 10 — Question

The two basic forms of mechanical energy are:

The direction of induced current is obtained by:

Tick (✓) the correct choice among the following :

There are 500 turns and 2000 turns in the primary and secondary coil of a
transformer respectively. If th e output voltage is 1000 V, how large is the
input voltage?

Which of the following is not a force multiplier?

A ball of mass m is thrown vertically up with an initial velocity so as to reach a height h. The correct statement is : ________ .

In an electric cell while in use, the change in energy is from

The CGS unit of moment of force is:

While doing experiment a student placed an object at a distance of 30 cm in front of a convex lens with focal length of 20 cm. Image distance will be between

The potential difference between two points in an electric circuit is measured using:

The work done in moving unit positive charge across two points in an electric circuit is a measure of