The number of stages that can be directly coupled is limited because___________?

Related Mcqs:

A radio receiver has____________of amplification?

A. One stage B. Two stages C. Three stages D. More than one stages...

1 db corresponds to_____________change in voltage or current level?

A. 40% B. 80% C. 20% D. 25%...

RC coupling is not used to amplify extremely low frequencies because____________?

A. There is considerable power loss B. There is hum in the output C. Electrical size of coupling capacitor becomes very large D. None of the above...

The output of a microphone is rated at -52 db. The reference level is 1V under specified conditions. What is the output voltage of this microphone under the same sound conditions?

A. 5 mV B. 2 mV C. 8 mV D. 5 mV...

The power output of an audio system is 18 W. For a person to notice an increase in the output (loudness or sound intensity) of the system, what must the output power be increased to ?

A. 2 W B. 6 W C. 68 W D. None of the above...