1. Tardigrade
  2. Question
  3. Physics
  4. The mutual inductance of a pair of coils, each of N rums, is M henry If a current of i ampere in one of the coils is brought to zero in t second, the emf induced per turn in the other coil, in volt will be

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The mutual inductance of a pair of coils, each of N rums, is M henry If a current of i ampere in one of the coils is brought to zero in t second, the emf induced per turn in the other coil, in volt will be

Bihar CECEBihar CECE 2010Electromagnetic Induction

Solution:

Induced emf, $ e=M\frac{di}{dt} $ (in magnitude)
$ \Rightarrow $ $ e=NM\left( \frac{i}{t} \right) $
$ \Rightarrow $ $ \frac{e}{N}=\frac{Mi}{t} $