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…
Static Electricity
We know that electricity is electrons in motion. Then what is static electricity? How is it electricity when it is static? Let us see now. As we have seen earlier,…
Basics of Electricity
Electricity is something we all have grown up with. But was it there since the beginning? No. The various devices we use such as bulbs, fans, TVs, radios, mobile phones,…