The main function of the transformer used in the output of a power amplifier is
(A) To step up the voltage
(B) to increase the voltage gain
(C) to safeguard the transistor against overheating
(D) to match the load impedance with dynamic output resistance of the transistor
(A) To step up the voltage
(B) to increase the voltage gain
(C) to safeguard the transistor against overheating
(D) to match the load impedance with dynamic output resistance of the transistor