Draw a lablled circuit diagram of a Zener diode as a voltage regulator.

Zener diode acts as a/an

Zener diode is used as

Draw a labelled circuit diagram of a transistor as a switch and draw its input and output graphs.

Zener diode is used for

Zener diode is used for

Symbol of zener diode-

Draw a labelled circuit diagram of n - p - n germanium transistor in common emitter configuration. Explain briefly, how this transistor is used as a voltage amplifier.

Draw a circuit diagram of L.E.D. Mention it's advantages?

A Zener diode is fabricated by heavily doping both p- and n-sides of the junctions. Explain, why ? Briefly explain the use of zener diode as a dc voltage regulator with the help of a circuit diagram.

Draw a neatly labelled circuit diagram of a full wave rectifier using two junction diodes.