What is Electric Power?

Before reading about electric power it is essential to have a basic idea about power. The word power is a little tricky to understand. Consider that you are riding a…

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What is energy?

Energy can be defined as the capacity to do work. It can also be defined as “stored work”. The terms energy and power are confusing and are interchanged most of…

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What is Resistance?

As we know the current is the flow of free electrons through material from a higher potential to a lower potential. During this flow, few of these electrons collide with…

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Electric Current and Current Flow

To understand the basics of electricity it is necessary to understand the concepts of electric charge and current. Electrically charged particles are present in every matter in the universe. The…

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Electric Charge

Like gravitational force that acts on all masses, the electrostatic force is another fundamental force in nature. The term ‘charge’ is very difficult to explain but we can describe its…

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Voltage and Electric potential

Every material in this world is made up of atoms. Each atom is made up of protons, electrons and neutrons, which are positively charged, negatively charged and electrically neutral respectively.…

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Digital I/O and Analog I/O

Automation has become the backbone of almost all industries worldwide. Digital input and digital output are the most basic terms of any PLC/DCS based control and microcontroller-based applications. A PLC…

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