Two coils having self-inductance of L1 and L2, respectively, are magnetically coupled. The maximum possible value of mutual inductance between the coils is

Two coils having self-inductance of L1 and L2, respectively, are magne

1.	Two coils having self-inductance of L1 and L2, respectively, are magnetically coupled. The maximum possible value of mutual inductance between the coils is
A.	\(\sqrt{L_1\times L_2}\)
B.	L1 + L2
C.	L1 ÷ L2
D.	L1 × L2
Answer» B. L1 + L2