Calculate electromagnetic induction using Faraday's Law and analyze current direction with Lenz's Law. Compute induced EMF, magnetic flux, and electromagnetic parameters.
Enter values and click Calculate to see electromagnetic induction results
States that the induced EMF in a closed circuit is equal to the negative rate of change of magnetic flux through the circuit.
Determines the direction of induced current: it flows to oppose the change causing it.
Enter the number of coil turns, the change in magnetic flux, and the time interval. Click Calculate to find the induced EMF using Faraday's Law of Electromagnetic Induction.
A 500-turn coil with flux changing from 0 to 0.02 Wb in 0.1 seconds: EMF = 500 × (0.02 ÷ 0.1) = 100 Volts.
A: Faraday's Law states that the induced EMF in a coil equals the negative rate of change of magnetic flux linkage through the coil.
A: Magnetic flux is the total magnetic field passing through a surface: Φ = B × A × cos(θ), measured in Webers (Wb).
A: Lenz's Law (the negative sign in Faraday's equation) states that the induced current opposes the change that causes it.
A: Transformers, generators, electric motors, induction cooktops, and wireless charging all work on Faraday's Law.