Electronics

1. 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 1 of 25

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

Question 2 of 25

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

Question 3 of 25

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

Question 4 of 25

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

Question 5 of 25

6. An impure semi-conductor is called?

Question 6 of 25

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

Question 7 of 25

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

Question 8 of 25

9. A pure semi-conductor is called?

Question 9 of 25

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

Question 10 of 25

11. Mention the 2 types of Rectification

Question 11 of 25

12. Mention the most important bands in electronics

Question 12 of 25

13. Define Rectification

Question 13 of 25

14. Mention the 2 types of extrinsic semi-conductors

Question 14 of 25

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

Question 15 of 25

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

Question 16 of 25

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

Question 17 of 25

18. State the energy band theory

Question 18 of 25

19. 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 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 INCORRECT about reverse biasing?

Question 21 of 25

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

Question 22 of 25

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

Question 23 of 25

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

Question 24 of 25

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

Question 25 of 25