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Electromagnetic Induction, Self Induction & Mutual Induction Video Lecture | Crash Course for IIT JAM Physics

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FAQs on Electromagnetic Induction, Self Induction & Mutual Induction Video Lecture - Crash Course for IIT JAM Physics

1. What is electromagnetic induction?
Ans. Electromagnetic induction is the process of generating an electromotive force (emf) or voltage in a conductor when it is exposed to a changing magnetic field. This phenomenon is based on Faraday's law of electromagnetic induction.
2. What is self-induction?
Ans. Self-induction is the phenomenon where a changing current in a coil induces an electromotive force in the same coil. It occurs due to the magnetic field produced by the changing current, which opposes the change in current.
3. What is mutual induction?
Ans. Mutual induction is the phenomenon where a changing current in one coil induces an electromotive force in a nearby coil. It occurs due to the magnetic field produced by the changing current in one coil, which influences the magnetic field in the other coil.
4. How can electromagnetic induction be used in practical applications?
Ans. Electromagnetic induction has various practical applications, such as in generators, transformers, induction cooktops, and electric motors. Generators convert mechanical energy into electrical energy by utilizing the principle of electromagnetic induction.
5. What is Faraday's law of electromagnetic induction?
Ans. Faraday's law of electromagnetic induction states that the magnitude of the induced electromotive force (emf) or voltage in a circuit is directly proportional to the rate of change of magnetic field flux through the circuit. It can be mathematically represented as emf = -N(dΦ/dt), where emf is the induced electromotive force, N is the number of turns in the coil, and dΦ/dt is the rate of change of magnetic flux.
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