Alternating Current, An Introduction
Here are a few terms that are frequently used when we talk about AC, that is, Alternating Current. Some of them are used when talking about Direct Current as well.…
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…
Power and Energy
In electrical engineering, we come across the terms power and energy often. As laymen, we use these terms interchangeably. Are they same or is there a difference? Let us see.We…
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…
Current Electricity
We use terms such as current, voltage, as part of our daily routine. What are they? Let us see their meanings and relationship with each other. We have seen what…