According to Faradys lawa)The magnitude of the induced emf in a circui...
Explanation:The induced electromotive force in any closed circuit is equal to the negative of the time rate of change of the magnetic flux enclosed by the circuit.
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According to Faradys lawa)The magnitude of the induced emf in a circui...
Faraday's law of electromagnetic induction states that an electromotive force (EMF) is induced in a circuit when there is a change in the magnetic flux through the circuit. This phenomenon is the basis of many electrical devices, such as generators and transformers. The magnitude of the induced EMF is given by Faraday's law, which can be expressed as follows:
The magnitude of the induced EMF in a circuit is inversely proportional to the time rate of change of magnetic flux through the circuit.
Explanation:
The statement means that the magnitude of the induced EMF is dependent on the rate of change of the magnetic flux through the circuit. If the rate of change is high, the induced EMF will also be high, and if the rate of change is low, the induced EMF will also be low. The rate of change of magnetic flux can be calculated by taking the derivative of the magnetic flux with respect to time.
The negative sign in the equation suggests that the induced EMF opposes the change in magnetic flux, which is known as Lenz's law. This law ensures that energy is conserved in the system and prevents any runaway current from damaging the circuit.
In conclusion, Faraday's law of electromagnetic induction describes the relationship between the magnetic flux through a circuit and the induced EMF. The magnitude of the induced EMF is proportional to the rate of change of magnetic flux, and it opposes the change in magnetic flux.