Calculate the equivalent inductance of the circuit if the 6-mH inductor and the combination of 8-mH and 10-mH inductors in parallel (no coupling between them) are series opposing at 40% coupling. a....

Calculate the equivalent inductance of the circuit if the 6-mH inductor and the combination of 8-mH and 10-mH inductors in parallel (no coupling between them) are series opposing at 40% coupling.

a. 1.7mH
b. 2.07mH
c. 7.07mH
d. 8.37mH
e. None of the choices