Faraday's law of electromagnetic induction states that the induced EMF in a circ

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Question: Faraday\'s law of electromagnetic induction states that the induced EMF in a circuit is proportional to what? (2019)

Options:

Correct Answer: Rate of change of magnetic flux

Exam Year: 2019

Solution:

Faraday\'s law states that the induced EMF is proportional to the rate of change of magnetic flux.

Faraday's law of electromagnetic induction states that the induced EMF in a circuit is proportional to what? (2019)

Faraday's law of electromagnetic induction states that the induced EMF in a circuit is proportional to what? (2019)

Step 1: Understand what EMF means. EMF stands for electromotive force, which is the voltage generated by a circuit.
Step 2: Learn about magnetic flux. Magnetic flux is the measure of the amount of magnetic field passing through a certain area.
Step 3: Know that Faraday's law relates EMF to changes in magnetic flux. It tells us how much voltage is produced when the magnetic field changes.
Step 4: Remember that the key part of Faraday's law is the 'rate of change.' This means how quickly the magnetic flux is changing over time.
Step 5: Conclude that according to Faraday's law, the induced EMF in a circuit is proportional to how fast the magnetic flux is changing.

Faraday's Law of Electromagnetic Induction – This law explains how a changing magnetic field within a closed loop induces an electromotive force (EMF) in the circuit.