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…

Continue Reading Electromagnetic Induction

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…

Continue Reading Faraday’s law of electromagnetic induction

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…

Continue Reading Lenz’s law

Resistor color code calculator

Resistors are the basic building blocks of a circuit. They are used in circuits as voltage dividers, current limits, termination for communication links, etc. It is important to know how…

Continue Reading Resistor color code calculator

Steps to convert Thevenin’s circuit to Nortons

Thevenin's and Norton's theorems are circuit simplification methods, applied to simplify complex linear circuits and making circuit analysis easy and fast. These theorems are proposed by Léon Charles Thévenin and…

Continue Reading Steps to convert Thevenin’s circuit to Nortons

Maximum Power transfer theorem

In an electric circuit, power flows from the source to the load. The source itself has some amount of impedance which affects the current flow. Therefore, transfer of power depends…

Continue Reading Maximum Power transfer theorem

Superposition theorem

Superposition theorem can be used to find the current or voltage in any circuit containing more than one independent sources. By using this method, we calculate the contribution of each…

Continue Reading Superposition theorem

Current Division rule

As we know, in a parallel circuit current divides into all branches. The current flow through each branch is inversely proportional to the resistance offered by each one them. The…

Continue Reading Current Division rule

Norton’s Theorem

Norton’s theorem is used to simplify complex linear circuits and making circuit analysis easy and fast. This theorem was proposed by E. L. Norton, an American engineer at Bell Laboratories.…

Continue Reading Norton’s Theorem