Electricity

Unit: The unit of electric current is ampere. If an amount of charge 1 C flows in 1 second through any cross-section of a conductor,…

When two bodies of different potential are connected by a conducting wire, electrons flow from the body of low potential to that of higher potential.…

In order to protect buildings from the ravage of lightning, the lightning conductor is used. The metallic rod R (Fig) with several sharp points at…

Some Misuse of Static Electricity: Hanging metal chain with petrol transporting truck: A metal chain has to be hung touching the road with the trucks…

Sometimes the presence of static electricity is harmful and may cause danger. Loading of fuel in aero plane: When aero plane flies in the air…

Nowadays photocopier or photocopy machine is very essential and thus it has become very popular machine. Not only the educational institutions and other offices but…

Ink Jet Printer: This is the most ordinary printer which remains connected to the computer. An ink-gun with its narrow mouth projects very small particles…

Nowadays electrostatic painting spray is used to colour car, cycle, cupboard or other things with help of static electricity. Spray gun is made in such a…

The capability of storing energy as electric charge is called electric capacitor. The capacitor is the mechanical device designed to sustain the capacitance. Capacitor stores…

Volt: If the work is done in bringing 1 coulomb (1C) of positive charge from infinity to a point in the electric field is 1…