Passive Elements in Electrical Circuits
Resistor, Inductor, Capacitor - These are the three passive elements in an electrical circuit. An electric circuit consists of active elements and passive elements. An active element supplies energy to the…
Factors Affecting Resistance
Resistance to electric current is present in all materials. The amount of resistance depends on certain physical factors. What are they? We will see now. Resistance means the opposition offered…
Ohm’s Law
We know what is current and voltage. Is there any relation between these two? Yes. It is given by a law that is as basic as the alphabet is to…