The purpose of emitter capacitor (i.e. capacitor across RE) is to ___________
A). Avoid voltage gain drop
B). Forward bias the emitter
C). Reduce noise in the amplifier
D). None of the above
1. To achieve sparkless commutation brushes of a D.C. generator are rockedm ahead so as to bring them
3. When SCR starts conducting, then ___________ loses all control
6. When no signal is applied, the approximate collector efficiency of class A power amplifier is
7. In case of steam engines the steam pressure is
8. The return circuit for tram cars is through
9. In a two phasor servomotor, the direction of rotation of the rotating field depends on
10. The current drawn by the armature of D.C. motor is directly proportional to