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Diesel Mechanic Practice Test: Basic Electronics
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Diesel Mechanic Practice Test: Basic Electronics
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25 Questions

1. What is the permissible voltage drop in the electricalcircuit?
2. What type of resistor is used in the vehicle flasherunit?
3. Diode is ______ device.
4. How many valance electrons does a semiconductor have in their valence cell?
5. 20. A Tri valent impurity has _____ number of electron in it’s valence cell.
6. A Penta valent impurity has _____ number of electron in it’s valence cell.
7. Addition of trivalent impurity to a semiconductor creates many ______
8. When a penta valent impurity is added to a pure semiconductor ,the new type semiconductor created is called__
9. A semiconductor has _____ temperature coefficient of resistance.
10. The Collector of transistor is ______ doped.
11. When a tri valent impurity is added to a pure semiconductor ,the new type semiconductor created is called__
12. When a tri valent impurity is added to a pure semiconductor ,the new type semiconductor created is called__
13. When a penta valent impurity is added to a pure semiconductor ,the new type semiconductor created is called__
14. The base of transistor is ______ doped.
15. Diode is ______ device.
16. What type of resistor is used in the vehicle flasherunit?
17. A transistor has _____ number of PN junction.
18. Which component is used to measure the engine coolanttemperature?
19. Which of the following diode is operated in reverse bias condition?
20. The most commonly used semiconductor is _______
21. Addition of trivalent impurity to a semiconductor creates many ______
22. A transistor has _____ number of PN junction.
23. Which electronic component is used as a solid stateswitch?
24. A semiconductor has _____ temperature coefficient of resistance.
25. What is the threshold voltage for silicon diode?

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