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
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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


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


Question 1 of 15

2. mark reviewDiode is used as a/an


Question 2 of 15

3. mark reviewThe 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. mark reviewWhich logic gate is represented by the following combination of logic gates?



Question 4 of 15

5. mark reviewIn n-type semiconductor, majority charge carriers are


Question 5 of 15

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


Question 6 of 15

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


Question 7 of 15

8. mark reviewThe voltage gain of the following amplifier is


Question 8 of 15

9. mark reviewConsider 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. mark reviewTo a germanium sample, traces of gallium are added as an impurity. The resultant sample would behave like.


Question 10 of 15

11. mark reviewThe circuit given below represents which of logic operations


Question 11 of 15

12. mark reviewIn 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. mark reviewWhich one of the following is true about the p-type and n-type semi-conductor?


Question 13 of 15

14. mark reviewZener diode acts as a/an


Question 14 of 15

15. mark reviewA 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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