A. Two inductors whose self-inductances are given as 75mH and 55mH respectively, are positioned next to each other on a common magnetic core so that 75% of the lines of flux from the first coil are cutting the second coil. Calculate the total mutual inductance that exists between the two coils. B. When two coils having inductances of 5H and 4H respectively were wound uniformly onto a non- magnetic core, it was found that their mutual inductance was 1.5H. Calculate the coupling coefficient that exists between. C. How much is the inductance of a coil that induces 500 V when the current changes at the rate of 5mA in 2μs?

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A. Two inductors whose self-inductances are given as 75mH and 55mH respectively, are positioned next
to each other on a common magnetic core so that 75% of the lines of flux from the first coil are cutting
the second coil. Calculate the total mutual inductance that exists between the two coils.
B. When two coils having inductances of 5H and 4H respectively were wound uniformly onto a non-
magnetic core, it was found that their mutual inductance was 1.5H. Calculate the coupling coefficient
that exists between.
C. How much is the inductance of a coil that induces 500 V when the current changes at the rate of 5mA
in 2μs?
Transcribed Image Text:A. Two inductors whose self-inductances are given as 75mH and 55mH respectively, are positioned next to each other on a common magnetic core so that 75% of the lines of flux from the first coil are cutting the second coil. Calculate the total mutual inductance that exists between the two coils. B. When two coils having inductances of 5H and 4H respectively were wound uniformly onto a non- magnetic core, it was found that their mutual inductance was 1.5H. Calculate the coupling coefficient that exists between. C. How much is the inductance of a coil that induces 500 V when the current changes at the rate of 5mA in 2μs?
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