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.…
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 refers to the opposition…
Power and Energy
In electrical engineering, the terms power and energy are commonly used. While laypeople often use them interchangeably, they are not the same. So, what’s the difference? Let’s find out. 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 powers our everyday lives - from bulbs and fans to TVs, radios, and mobile phones. But has it always existed in human history? Not quite. The electrical devices we…