Differences between resistance and resistivity

Understanding the differences between resistance and resistivity is very important as they are closely related. This article aims to bring you clarity on resistance and resistivity by comparing each of…

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What is induced current?

Electromagnetic induction occurs whenever there is a relative motion between a magnetic field and a coil. The electromagnetic force acts on the charged particles inside the coil, forcing them in…

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Electromagnetic Induction

Electromagnetic induction is a phenomenon by which electromotive force is produced across a conductor placed in a varying magnetic field. It was discovered by Michael Faraday in 1831 after performing…

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Faraday’s law of electromagnetic induction

Michael Faraday discovered the phenomenon of electromagnetic induction in 1831 which was a major breakthrough and led to the invention of electric motor and generator. Faraday's law of electromagnetic induction…

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Lenz’s law

Heinrich Friedrich Emil Lenz was a Russian physicist, working at the University of St. Petersburg, Russia. He formulated Lenz's law in 1834. This law predicts the direction of the current…

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Electrical wiring color codes – Important

Electrical engineers and electricians follow predefined wiring color codes while wiring houses, commercial buildings and industrial panel boards. It is mandatory to know the electrical wiring color codes before attempting…

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Electric Short Circuit

Electricity is required for lighting up our homes and powering up the industries. It can be constructive or destructive depending on how carefully it is handled. One of the most…

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Real, Reactive, Complex and Apparent power

Today most of the electric loads work on AC power. Every electric load possess a certain amount of resistance. Some loads, in addition to resistance, possess capacitance or inductance. The…

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