What turn ratio (Np/Ns) of transformer is required to match 4 Ω speaker to a transistor having an output impedance of 8000 O?

What turn ratio (Np/Ns) of transformer is required to match 4 Ω spea

1.	What turn ratio (Np/Ns) of transformer is required to match 4 Ω speaker to a transistor having an output impedance of 8000 O?
A.	2
B.	7
C.	3
D.	None of the above
Answer» C. 3