Networks Analysis and Synthesis - Engineering

Q1:

A loudspeaker transformer has a turns ratio of 20 : 1. The speaker impedance is 20Ω. Primary impedance of transformer is

A 10 K

B 8 K

C 20 K

D 0.5 K

ANS:B - 8 K

. ZL 20 x 400 8000 8kΩ.