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Mutual inductance between two closely coupled coils is 2 H. Now, if the number of turns in one coil is reduced by 50 percent and those of the other coil is doubled then, new value of mutual inductance is:
  • a)
    2 H
  • b)
    8 H
  • c)
    1 H
  • d)
    4 H
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Mutual inductance between two closely coupled coils is 2 H. Now, if th...
Concept:
The inductance of a coil is given by,

μ0 is magnetic permeability of free space
μr is relative permeability
N is number if turns
A is cross-sectional area
l is length
Calculation:

Given that M = 2 H
If the turns of one coil are decreased to half and the other is doubled.
Now the new value of the mutual inductance would be 2 H.
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Community Answer
Mutual inductance between two closely coupled coils is 2 H. Now, if th...
Concept:
The inductance of a coil is given by,

μ0 is magnetic permeability of free space
μr is relative permeability
N is number if turns
A is cross-sectional area
l is length
Calculation:

Given that M = 2 H
If the turns of one coil are decreased to half and the other is doubled.
Now the new value of the mutual inductance would be 2 H.
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Mutual inductance between two closely coupled coils is 2 H. Now, if the number of turns in one coil is reduced by 50 percent and those of the other coil is doubled then, new value of mutual inductance is:a)2 Hb)8 Hc)1 Hd)4 HCorrect answer is option 'A'. Can you explain this answer?
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Solutions for Mutual inductance between two closely coupled coils is 2 H. Now, if the number of turns in one coil is reduced by 50 percent and those of the other coil is doubled then, new value of mutual inductance is:a)2 Hb)8 Hc)1 Hd)4 HCorrect answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE). Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
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