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Which law states that the induced electromotive force (emf) in a closed loop is

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Question: Which law states that the induced electromotive force (emf) in a closed loop is equal to the negative rate of change of magnetic flux through the loop? (2022)

Options:

  1. Faraday\'s Law
  2. Lenz\'s Law
  3. Ohm\'s Law
  4. Ampere\'s Law

Correct Answer: Faraday\'s Law

Exam Year: 2022

Solution: 

Faraday\'s Law states that the induced emf in a closed loop is equal to the negative rate of change of magnetic flux through the loop.

Which law states that the induced electromotive force (emf) in a closed loop is

Practice Questions

Q1
Which law states that the induced electromotive force (emf) in a closed loop is equal to the negative rate of change of magnetic flux through the loop? (2022)
  1. Faraday's Law
  2. Lenz's Law
  3. Ohm's Law
  4. Ampere's Law

Questions & Step-by-Step Solutions

Which law states that the induced electromotive force (emf) in a closed loop is equal to the negative rate of change of magnetic flux through the loop? (2022)
  • Step 1: Understand what induced electromotive force (emf) means. It is the voltage generated by changing magnetic fields.
  • Step 2: Learn about magnetic flux. It is the measure of the amount of magnetic field passing through a surface.
  • Step 3: Know that a closed loop refers to a complete circuit where current can flow.
  • Step 4: Recognize that Faraday's Law describes the relationship between changing magnetic fields and induced emf.
  • Step 5: Remember that Faraday's Law states that the induced emf is equal to the negative rate of change of magnetic flux through the loop.
No concepts available.
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