Question

State whether true or false and justify.

1. Zener diode are used under forward bias.

2. In n-p-n transistor current conduction is primarily due to electrons.

3. Transistor amplifier do not strictly obey law of conservation of energy since output power is greater than input power.

4. In a transistor amplifier all the frequency will have exactly equal gain.

Answer 1

1. False, Zener diodes are used under reverse bias

2. True 

3. False 

4. False