Solids Semi Conductor Devices And Communication System Test Online MCQs
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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 Test Help For Physics Subject Test Prep. All Admissions Test. All Jobs Test prep. Medical Test prep. Engineering Test prep.

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.

## Physics

1. The value of current gain α of a transistor is 0.98. The value of β will be:

Question 1 of 15

2. Diode is used as a/an

Question 2 of 15

3. 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 3 of 15

4. Which logic gate is represented by the following combination of logic gates? Question 4 of 15

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

Question 5 of 15

6. In a diode, when there is a saturation current the plate resistance will be:

Question 6 of 15

7. When added an impurity into the silicon which one of the following produces n-type of semi-conductors:

Question 7 of 15

8. The voltage gain of the following amplifier is Question 8 of 15

9. 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 9 of 15

10. To a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like.

Question 10 of 15

11. The circuit given below represents which of logic operations Question 11 of 15

12. In the following common emitter configuration an npn transistor with current gain β = 100 is used. The output voltage of the amplifier will be: Question 12 of 15

13. Which one of the following is true about the p-type and n-type semi-conductor?

Question 13 of 15

14. Zener diode acts as a/an

Question 14 of 15

15. A triode valve has an amplification factor of 20 and its plate is given a potential of 300 V. The grid voltage to reduce the plate current to zero is:

Question 15 of 15

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