Important Question Bank (Unit-I)

 

Important Question Bank (Unit-I)

 

 

5-Mark / Descriptive Questions

1) Write a short note on Evolution of Electronics in detail.

2) What is impact of Electronics on Industry and Society ? explain in detail ?

3) What are the current trends in Electronics ? explain in detail ?

4) Compare :  I) Active and  Passive Components.

5) Compare : II) P Type and N Type semiconductors.

6) Explain P-N Junction diode construction and its working in forward and reverse bias conditions.

7) Explain V-I characteristics of P-N junction Diode            

8) Draw and Explain Half Wave Rectifier (HWR) with its corresponding input and output waveforms.

9) How we can use diode as a Switch ? Explain it in detail .

10) Draw circuit diagram and Explain operation of Half Wave Rectifier with the help of neat waveforms.

11) Draw circuit diagram and Explain operation of Full Wave Rectifier ( Center Tapped  Transformer ) with the help of neat waveforms.

12) Draw circuit diagram and Explain operation of Full Wave Rectifier ( Bridge Rectifier ) with the help of neat waveforms.

13) Compare Half wave rectifier , Full wave rectifier and Bridge Rectifier

14) Explain the construction and working principle of LED along with construction diagram, V -I characteristics and applications .

15)  Explain the construction and working principle of Photodiode along with construction diagram, V -I characteristics and applications

16) Compare LED and Photodiode.

1 Marks Question

1) What is electronics?

2) Define the term "evolution of electronics."

3) State one modern trend in electronics.

4) Give one example of an electronic application in daily life.

5) Name any one emerging electronics technology.

6) Define active component.  Give one example of an active component.

7) Define passive component. Give one example of a passive component.

 

8) Define P-type semiconductor.

9) Define N-type semiconductor.

10) Name the majority carriers in P-type semiconductor.

11) Name the majority carriers in N-type semiconductor.

12) What is doping?

13) Which impurity is added to create P-type semiconductor? Which impurity is added to create N-type semiconductor?

14) What are minority carriers in P-type semiconductor?

15) What is a P–N junction?

16) What is barrier potential?

17) Define depletion region.

18) What is forward bias? What is reverse bias?

19) What happens to depletion region in forward bias? What happens to depletion region in reverse bias?

20) What is cut-in voltage?

21) Draw the symbol of a diode.

22) Define half-wave rectifier.Define full-wave rectifier?

23) What does LED stand for?

24) What is a photodiode?

25) Photodiode operates mainly in which bias?