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Solids Semi Conductor Devices and Communication System Test Online

Test Name Solids & Semi Conductor Devices and Communication System Test
Subject Physics
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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Solids & Semi Conductor Devices and Communication System Test Being Provided over here. Attempt online multiple choice questions of Solids and Semi Conductors Devices and also get Communication System Test at this page.

Solids Semi Conductor Devices and Communication System Test Online

Physics

1. When the two semiconductors p- and n-type are brought into contact they form a p-n junction, which acts like a/an

 

Question 1 of 15

2. Which of the following is an amorphous solid?

 

Question 2 of 15

3. Which of the following logic gates is an universal gate?

 

Question 3 of 15

4. At 0 K temperature, a p-type semiconductor

 

Question 4 of 15

5. In n-type semiconductor, majority charge carriers are

 

Question 5 of 15

6. Zener diode acts as a/an

 

Question 6 of 15

7. Consider an n-p-n transistor amplifier in common emitter configuration. The current gain of the transistor is 100. If the collector current changes by 1mA, what will be the change in emitter current

 

Question 7 of 15

8. If the highest modulating frequency of the wave is 5 kHz, the number of stations that can be accomdated in a 150 kHz bandwidth are

 

Question 8 of 15

9. Boolean algebra is essentially based on:

 

Question 9 of 15

10. In communication with help of antenna if height is double then the range covered which was initially r would become

 

Question 10 of 15

11. The transfer ratio β of a transistor is 50. The input resistance of the transistor when used in the common emitter configuration is 1kΩ. The peak value of the collector A.C. current for an A.C. input voltage of 0.01 V, is

 

Question 11 of 15

12. In a full wave rectifier circuit operating from 50 Hz mains frequency, what is the fundamental frequency in the ripple?

 

Question 12 of 15

13.  

A B Q
0 0 0
0 1 1
1 0 1
1 1 1

The truth table given above for which of the following gates is correct:

 

Question 13 of 15

14. In p-type semiconductor major current carriers are:

 

Question 14 of 15

15. The voltage gain of the following amplifier is

41

Question 15 of 15


 

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