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Which of the following law’s gives the direction of induced emf?
  • a)
    Lenz’s law
  • b)
    Ampere’s circuital law
  • c)
    Faraday’s law
  • d)
    Biot Savart law
Correct answer is option 'A'. Can you explain this answer?
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Which of the following laws gives the direction of induced emf?a)Lenzs...
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Which of the following laws gives the direction of induced emf?a)Lenzs...
Lenz’s law is used for determining the direction of induced current.
Lenz’s law of electromagnetic induction states that the direction of induced current in a given magnetic field is such that it opposes the induced change by changing the magnetic field.
Following is the formula of Lenz’s law:
ϵ=−N (∂ϕB/∂t)
Where,
  • ε is the induced emf
  • ∂ΦB is the change in magnetic flux
  • N is the number of turns in the coil
     
Lenz’s law finds application in electromagnetic braking and in electric generators
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Which of the following laws gives the direction of induced emf?a)Lenzs lawb)Amperes circuital lawc)Faradays lawd)Biot Savart lawCorrect answer is option 'A'. Can you explain this answer?
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Which of the following laws gives the direction of induced emf?a)Lenzs lawb)Amperes circuital lawc)Faradays lawd)Biot Savart lawCorrect answer is option 'A'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Which of the following laws gives the direction of induced emf?a)Lenzs lawb)Amperes circuital lawc)Faradays lawd)Biot Savart lawCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following laws gives the direction of induced emf?a)Lenzs lawb)Amperes circuital lawc)Faradays lawd)Biot Savart lawCorrect answer is option 'A'. Can you explain this answer?.
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