If a transistor amplifier draws 2mA when input voltage is 10 V, then its input impedance is ___________

A CE amplifier is also called ___________ circuit

A. Grounded emitter

B. Grounded base

C. Grounded collector

D. None of the above

A transistor amplifier has high output impedance because ___________

A. Emitter is heavily doped

B. Collector has reverse bias

C. Collector is wider than emitter or base

D. None of the above

An amplifier has a power gain of 100. Its db gain is ___________

A. 10 db

B. 20 db

C. 40 db

D. None of the above

In a single stage transistor amplifier, RC and RL represent collector resistance and load resistance respectively. The transistor sees a d.c. load of ___________

A. RC + RL

B. RC || RL

C. RL

D. RC