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Question: Answered & Verified by Expert
Assertion : Only a change in magnetic flux will maintain an induced current in the coil.
Reason : The presence of large magnetic flux through a coil maintains a current in the coil if the circuit is continuous.
PhysicsMagnetic Properties of MatterAIIMSAIIMS 2019 (25 May)
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1813 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false.
Induced current (emf) in a coil is directly proportional to the rate of change of magnetic flux linked with the coil. If there is no change in the flux, there is no induced current also.

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