CBSE Physics Solids And Semiconductor Devices Test 1 Online Question Answer
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CBSE Physics Solids and Semiconductor Devices Test 1 Online

Test Name Solids and Semiconductor Devices Test
Subject CBSE Physics
Test Type MCQs
Total Question 25
Total Marks 50
Total Time 20 Minutes
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CBSE has been at the forefront of the progress in the educational field in all India. In his boards exams chapters Physics topic of Solids and Semiconductor Devices read officially as they manage exams of it’s. Solids and Semiconductor devices have replaced thermionic devices (vacuum tubes) in most applications. They use electronic conduction in the solid state as opposed to the gaseous state or thermionic emission in a high vacuum. For boost your knowledge mostly helpful questions answers Mcqs test available for take practice online.

CBSE Physics Solids and Semiconductor Devices Test 1 Online


1. If internal resistance of cell is negligible, then current flowing through the circuit is ?

Question 1 of 25

2. In forward bias the width of depletion layer in a p-n junction diode ?

Question 2 of 25

3. Which of the following when added as an impurity into silicon produces n-type semiconductor ?

Question 3 of 25

4. In a junction diode, the holes are die to ?

Question 4 of 25

5. Depletion layer consists of ?

Question 5 of 25

6. Sodium has body centered packing. If the distance between two nearest atoms is 3.7 A°, then the lattice parameter is ?

Question 6 of 25

7. The following circuit represents ?

Question 7 of 25

8. For conduction in a p-n junction, the basing is ?

Question 8 of 25

9. The truth table given below

represents ?

Question 9 of 25

10. Which one of the following gates will have an output of 1 ?

Question 10 of 25

11. The correct relationship between the two current gains α and β in a transistor is ?

Question 11 of 25

12. The cause of the potential barrier in a p-n diode is ?

Question 12 of 25

13. In a common-base configuration of a transistor Δic/Δic = o.98, then current gain in common emitter configuration of transistor will be ?

Question 13 of 25

14. Si and Cu are cooled to a temperature of 300 K, then resistivity ?

Question 14 of 25

15. For a given circuit of ideal p-n junction diode, which of the following is correct ?

Question 15 of 25

16. The following truth table belongs to which of the following four gates ?

Question 16 of 25

17. In p-type semiconductor, the majority charge carriers are ?

Question 17 of 25

18. For a transistor ic/ie = 0.96, the current gain in common-emitter configuration is ?

Question 18 of 25

19. In bcc structure of lattice constant α, the minimum distance between atoms is ?

Question 19 of 25

20. The transfer ratio of a transistor is 50. The input resistance of the transistor when used in the common emitter configuration is 1 k. The peak value of the collector AC current for an AC input voltage of 0.01 V peak is ?

Question 20 of 25

21. The number atoms per unit cell in bcc lattice is ?

Question 21 of 25

22. A semiconducting device is connected in a series in circuit with a battery and a resistance. A current is allowed to pass through the circuit. If the polarity of the battery is reversed, the current drops to almost zero. The device may be ?

Question 22 of 25

23. If α and β are current gains in common-base and common-emitter configurations of a transistor then β is equal to ?

Question 23 of 25

24. Barrier potential of a p-n junction diode does not depend on ?

Question 24 of 25

25. Following diagram performs the logic function of ?

Question 25 of 25


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