The Difference Between Magnetic and Electric Circuit are as follows:-

The closed path followed by the flux in the Magnetic Circuit, whereas in the Electric Circuit Current follows the closed path.

The unit of flux is Weber, and the unit of current is Ampere.

Magnetomotive force in the magnetic circuit is the driving force and is measured in Ampere-turns (AT). Electromotive force is the driving force in the electric circuit and is measured in volts (V).

Reluctance opposed the flow of magnetic flux S = l/aµ and measured in (AT/wb) and Resistance opposes the flow of current R = ρ. l/a and measured in (Ώ).

In the magnetic circuit Permeance = 1/reluctance whereas in the electric circuit Conduction = 1/ resistance.

As in the magnetic circuit, there exists Permeability so as Conductivity in the electric circuit. Similarly,Reluctivity in magnetic circuit is known as Resistivity in the electric circuit.

In magnetic circuit, molecular poles are aligned. The flux does not flow but sets up in the magnetic circuit. In electric circuit electric current flows in the form of electrons.

For magnetic flux, there is no perfect insulator. It can set up even in the non-magnetic materials like air, rubber, glass, etc.For electric circuit, there are a large number of perfect insulators like glass, air, rubber, PVC and synthetic resin which do not allow it to flow through them.

The reluctance (S) of a magnetic circuit is not constant rather it varies with the value of B.The resistance (R) of an electric circuit is almost constant as its value depends upon the value of ρ. The value of ρ and R can change slightly if the change in temperature takes place.

Once the magnetic flux sets up in a magnetic circuit, no energy is expanded. Only a small amount of energy is required at the initial stage to create flux in the circuit. Energy is expanding continuously, as long as the current flows through the electrical circuit.This energy is dissipated in the form of heat.

Kirchhoff flux and MMF law is followed in the magnetic circuit whereas in the electric circuit Kirchhoff voltage and current law is followed. (KVL and KCL).

Magnetic lines of flux start from The North Pole and ends at the South Pole. Electric lines or current starts from the positive charge and ends on the negative charge.

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