3.4 Figure 3.49 shows two mutually coupled coils. (a) Put the dot markings
on the coils, (b) compute the flux linkages $\lambda_1$ and $\lambda_2$, and (c) determine
the values of $L_1$, $L_2$, and $M$.
Depth = 3 cm
$N_1$ = 200
$N_2$ = 100
g = 0.2 cm
Figure 3.49: Magnetic circuit for Problem 3.4