6. 耦合电感的顺串时等效电感为( ) A. Leq=L1+L2+2M B. Leq=L1+L2-2M C. Leq=L1L2-M2 / L1+L2+2M D. Leq=L1L2-M2 / L1+L2-2M ...
(单选题)13: 耦合电感的顺串时等效电感为( ) A: Leq=L1+L2+2M B: Leq=L1+L2-2M C: Leq=L1L2-M2 / L1+L2+2M D: Leq=L1L2-M2 / L1+L2-2M ...