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Two coils having self-inductance of 18 H and 2 H, respectively, are magnetically coupled and the mutual inductance between them is 3 H. Find the value of coefficient of coupling.
  • a)
    0.75
  • b)
    0.50
  • c)
    0.25
  • d)
    0.60
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Two coils having self-inductance of 18 H and 2 H, respectively, are ma...
Concept:
Coefficient of Coupling (k):
The coefficient of coupling (k) between two coils is defined as the fraction of magnetic flux produced by the current in one coil that links the other.
Two coils have self-inductance L1 and L2, then mutual inductance M between them then Coefficient of Coupling (k) is given by 
Where,
N1 and N2 is the number of turns in coil 1 and coil 2 respectively
A is the cross-section area
l is the length
Calculation:
Given,
L1 = 18 H
L2 = 2 H
M = 3 H
From the above concept,
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Community Answer
Two coils having self-inductance of 18 H and 2 H, respectively, are ma...
Concept:
Coefficient of Coupling (k):
The coefficient of coupling (k) between two coils is defined as the fraction of magnetic flux produced by the current in one coil that links the other.
Two coils have self-inductance L1 and L2, then mutual inductance M between them then Coefficient of Coupling (k) is given by 
Where,
N1 and N2 is the number of turns in coil 1 and coil 2 respectively
A is the cross-section area
l is the length
Calculation:
Given,
L1 = 18 H
L2 = 2 H
M = 3 H
From the above concept,
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Two coils having self-inductance of 18 H and 2 H, respectively, are magnetically coupled and the mutual inductance between them is 3 H. Find the value of coefficient of coupling.a)0.75b)0.50c)0.25d)0.60Correct answer is option 'B'. Can you explain this answer?
Question Description
Two coils having self-inductance of 18 H and 2 H, respectively, are magnetically coupled and the mutual inductance between them is 3 H. Find the value of coefficient of coupling.a)0.75b)0.50c)0.25d)0.60Correct answer is option 'B'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Two coils having self-inductance of 18 H and 2 H, respectively, are magnetically coupled and the mutual inductance between them is 3 H. Find the value of coefficient of coupling.a)0.75b)0.50c)0.25d)0.60Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two coils having self-inductance of 18 H and 2 H, respectively, are magnetically coupled and the mutual inductance between them is 3 H. Find the value of coefficient of coupling.a)0.75b)0.50c)0.25d)0.60Correct answer is option 'B'. Can you explain this answer?.
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