1.
Class C power amplifier has the highest collector efficiency
2.
Class ___________ operation gives the maximum distortion
3.
An AF amplifier is shielded to ___________
4.
The maximum a.c. power output from a class A power amplifier is 10 W. What should be the minimum power rating of the transistor used ?
5.
A class A power amplifier uses ___________
6.
The maximum efficiency of transformer coupled class A power amplifier is ___________
7.
The most important consideration in power amplifier is ___________
8.
What turn ratio (Np/Ns) of transformer is required to match 4 ohm speaker to a transistor having an output impedance of 8000 ohm?
9.
The size of a power transistor is made considerably large to ___________
10.
If the power rating of a transistor is 1W and collector current is 100mA, then maximum allowable collector voltage is ___________