Electronics

1. The electrical resistance of semi-conductors reduces with an increase in temperature. True or False?

Question 1 of 25

2. Why is the impurity element in the N-type semi-conductor referred to be having Donor atoms?

Question 2 of 25

3. Define Rectification

Question 3 of 25

4. The flow of current in conductors is by movement of electrons. True or False?

Question 4 of 25

5. Which of the following statements is CORRECT about Intrinsic semi-conductors?

Question 5 of 25

6. In a P-N junction when the P type region is connected to the negative and the N-type region to the positive terminal of an external cell or battery. It is said to be:

Question 6 of 25

7. The energy gap between the conduction and valence bands is called?

Question 7 of 25

8. Which of the following statement is INCORRECT about the P-type semi-conductor?

Question 8 of 25

9. A pure semi-conductor is called?

Question 9 of 25

10. Which of the following is an example of a pure semi-conductor?

Question 10 of 25

11. Doping is the act of adding small quantities of impurities to a pure semi-conductor to enhance its conductivity. True or False?

Question 11 of 25

12. Mention the 2 types of extrinsic semi-conductors

Question 12 of 25

13. The N-type semi-conductor is formed by?

Question 13 of 25

14. In a P-N junction when the P type region is connected to the positive and the N-type region to the negative terminal of an external cell or battery. It is said to be:

Question 14 of 25

15. Which of the following statements is CORRECT about semiconductors?

Question 15 of 25

16. Mention the 2 types of Rectification

Question 16 of 25

17. The region occupied by the uncovered fixed ion in P-N junction is called?

Question 17 of 25

18. Mention the most important bands in electronics

Question 18 of 25

19. State the energy band theory

Question 19 of 25

20. Which of the following statements is CORRECT about forward biasing?

Question 20 of 25

21. Which of the following statements is CORRECT about N-type semi-conductors?

Question 21 of 25

22. Which of the following statement is CORRECT about insulators?

Question 22 of 25

23. Which of the following statements is INCORRECT about reverse biasing?

Question 23 of 25

24. Which of the following statement is INCORRECT about conductors?

Question 24 of 25

25. An impure semi-conductor is called?

Question 25 of 25