FUNDAMENTALS OF ELECTRONICS ENGINEERING MIQs

                                    FUNDAMENTALS 

                    OF ELECTRONICS ENGINEERING 

UNIT 1

Ques : Compare between Avalanche breakdown and Zener breakdown.

Ques: Explain the difference between the P-N junction diode and Light- Emitting diode.

Ques: Define the static and dynamic resistance of the diode. Also differentiate between Transition and Diffusion capacitance.

Ques: 

Ques: What do you mean by Varactor diode? Write its one application.

Ques: Why is Varactor diode also called Varicap? Explain.

Ques:  Explain the working of p-n junction diode and draw its V-I Characteristics

Ques: (i) Draw the circuit diagram of voltage Tripler circuit?

(ii) Explain Zener diode as a voltage regulator.

Ques: Explain the working of following with the help of suitable diagram.

(i) LED

(ii) Photodiodes

Ques: Draw and explain the working of Centre Taped full wave rectifier. Also calculate its efficiency and ripple factor.

UNIT 2

Ques: Explain working principle of Depletion type MOSFET (n-channel). Draw &

Explain its characteristics.

Ques: Draw and explain the construction and working of P- channel Depletion MOSFET with characteristics graphs.

Ques: Draw the circuit of NPN transistor in common base configuration and discuss

its working. Draw input-output characteristic.

Ques: Draw and explain the working of the PNP Transistor in common base (CB) configuration with its characteristics graphs.

Ques: Draw and explain the construction and working of N- channel JFET with characteristics graphs.

UNIT 3

UNIT 4

UNIT 5

Ques: Describe AM modulator with adequate diagram.

Ques: Explain the elements of communication system with the help of block

diagram.

Ques: Define the various elements of communication system and also draw it’s

functional block diagram.

Ques: Write Short notes on (i) Amplitude Modulation technique (ii) Radar Communication.

Ques: In an amplitude - modulated wave, derive the expression for 

(i) Amplitude of sidebands

(ii) Sideband frequencies

(iii) Modulation Index

(iv) Modulation Efficiency

Ques: Explain the need of modulation in the communication system.

Ques: Write the two applications of satellite communication.

coming soon....