the coefficient of self induction of two inductor coils arew 20 mH and 40 mH respectively.if the coils are connected in series so as to support each other and the resul†an t induc†an ce is 80 mH then the value of mutual induc†an ce between the coils willbe 1. 5 mH 2.10 mH3.20 mH4.40 mH

Open in App

Solution

Suggest Corrections

Similar questions

Q. Two coils connected in series have a self-inductance of

50 mH

and

60 mH

respectively. The total inductance of the combination was found to be

100 mH

. Determine the amount of mutual inductance that exists between the two coils, assuming that they are opposing each other.

Q. Two coils of self inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is:

Q. The coefficient of self induction of two inductor coils are

20 m H

and

40 m H

respectively. If the coils are connected in series so as to support each other and the resultant inductance is

80 m H

then the value of mutual inductance between the coils will be

The time constant of an inductance coil is 4 ms. On connecting a resistor of $60 Ω$ in series with it, the time constant is reduced to 1 ms. The inductance and resistance of the coil are respectively

Q. The equivalent inductance of two inductor is

2.4 m H

when connected in parallel and

10 m H

when connected in series. The difference between two inductance is (neglecting mutual induction between coils)

Join BYJU'S Learning Program