$15$:$45$

larr Pulse

Assignment $7-$ BET $-$ S$...$

Problem $5$

As shown in the following circuit, a $50$ Hz source supplies current from the right$-$hand side. The coupling coefficient between coils $1$ and $2$ as well as coils $2$ and $3$ is $0\mathrm{.}7$ each, while that between coils $1$ and $3$ is $0\mathrm{.}4.$

If x$=18\mathrm{.}00,$Y$=42\mathrm{.}00$ and Z$=29\mathrm{.}50,$ the

equivalent inductance of the magnetic

circuit is $,$mH $($milli$-$Henry$).$