Power amplifiers generally use transformer coupling because transformer permits______________?

Related Mcqs:

A power amplifier has comparatively __________________ ß ?

A. Small B. Large C. Very large D. None of the above...

The maximum efficiency of resistance loaded class A power amplifier is _________________?

A. 5% B. 50% C. 30% D. 25%...

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

A. 2 B. 7 C. 3 D. None of the above...

The class B push-pull circuit can deliver 100 W of a.c. output power. What should be the minimum power rating of each transistor ?

A. 20 W B. 40 W C. 10 W D. 80 W...

If the power rating of a transistor is 1W and collector current is 100mA, then maximum allowable collector voltage is________________?

A. 1V B. 100V C. 20V D. 10V...