Electric Charge...

Complete the following statements with an appropriate word /term be filled in the blank space(s).

The ampere-sec stands for the unit of :

A uniform rod of length l and mass m is free to rotate in a vertical plane about A. The rod initially in horizontal position is released. The initial angular acceleration of the rod is (Moment of inertia of rod about A is $$\frac{ml^{2}} {3}$$

Two point charges $$2\ C$$ and $$-6\ C$$ attract each other with a force of $$12\ N$$. A negative charge of $$2\ C$$ is added to each of the above charges, now the force between them is :

What happens when some charge is placed on a soap bubble?

The ratio of electric force between two electrons to two protons separated by the same distance in air is:

The laws of forces that govern the force between two electric charges were discovered by :

In a region of space having a uniform electric field $$E$$, a hemispherical bowl of radius $$r$$ is placed. The electric flux $$\phi$$ through the bowl is

The solid angle subtended by the total surface area of a sphere at the centre is :

Electric field lines of force