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According to Faraday's law of electromagnetic induction, the induced EMF in a ci

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Question: According to Faraday\'s law of electromagnetic induction, the induced EMF in a circuit is directly proportional to the rate of change of which of the following? (2020)

Options:

  1. Magnetic field strength
  2. Magnetic flux
  3. Electric current
  4. Resistance

Correct Answer: Magnetic flux

Exam Year: 2020

Solution: 

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

According to Faraday's law of electromagnetic induction, the induced EMF in a ci

Practice Questions

Q1
According to Faraday's law of electromagnetic induction, the induced EMF in a circuit is directly proportional to the rate of change of which of the following? (2020)
  1. Magnetic field strength
  2. Magnetic flux
  3. Electric current
  4. Resistance

Questions & Step-by-Step Solutions

According to Faraday's law of electromagnetic induction, the induced EMF in a circuit is directly proportional to the rate of change of which of the following? (2020)
  • Step 1: Understand what EMF means. EMF stands for electromotive force, which is the voltage generated by a circuit.
  • Step 2: Learn about Faraday's law of electromagnetic induction. This law explains how a changing magnetic field can create an electric current.
  • Step 3: Identify what 'rate of change' means. It refers to how quickly something is changing over time.
  • Step 4: Recognize that in this context, the 'rate of change' refers to the change in magnetic flux.
  • Step 5: Understand what magnetic flux is. Magnetic flux is the amount of magnetic field passing through a certain area.
  • Step 6: Conclude that according to Faraday's law, the induced EMF in a circuit is directly proportional to the rate at which the magnetic flux changes.
  • Faraday's Law of Electromagnetic Induction – The principle that the induced electromotive force (EMF) in a circuit is proportional to the rate of change of magnetic flux through the circuit.
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