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If the current in one coil is steady, what happens to the mutual inductance?
  • a)
    Zero
  • b)
    Infinity
  • c)
    Doubles
  • d)
    Halves
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
If the current in one coil is steady, what happens to the mutual induc...
A magnetic field is produced when there is a changing electric field. Hence the magnetic field is zero when the current is steady. When the magnetic field is zero there is no current induced in the other coil, thus electric field is zero.
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Community Answer
If the current in one coil is steady, what happens to the mutual induc...
As the Mutua inductance depends on the change is flux with resect to time. when the current is constant means the flux is constant so the mutual inductamce is zero
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