Home > Electrician > Quizzes > Electrician Practice Test: Basic Electronics
Electrician Practice Test: Basic Electronics
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 0% • Most missed: “What defect will occur in the radio, if the pulsations are not removed from the …”
Electrician Practice Test: Basic Electronics
Time left 00:00
25 Questions

1. Which code indicates silicon semiconductor diode?
2. What is the name of the symbol?
3. Why a snubber circuit is used in the TRIAC motor control circuit?
4. What is the main application of uni junction transistor?
5. What defect will occur in the radio, if the pulsations are not removed from the input of the rectifier?
6. Which doping material is used to make P-type semi conductor?
7. Which is the advanced version of power electronic component used in the output stage in drives?
8. What is the frequency of the displayed signal on CRO screen covered by 5 divisions with a time base setting of 0.2 micro seconds?
9. Why negative feedback is required in amplifier circuits?
10. What are the criteria to decide a material as conductor, semi conductor and insulator?
11. Which type of control device is used in electronic fan regulator control circuits?
12. What is the minimum voltage required in the base emitter junction to conduct a silicon transistor?
13. What is the effect of pinch-off voltage in JFET?
14. How the decimal number can be converted into binary number?
15. What is the minimum and maximum value of resistor with four colour bands, red, violet, orange and gold respectively?
16. What is the effect, if SCR is latched into conduction and gate current is removed in DC?
17. What is the output DC voltage in half wave rectifier, if the input AC voltage is 24 volt?
18. What is the peak voltage of 220v rms AC voltage?
19. What is the main function of Uni Junction Transistor (UJT)?
20. What is the reason for barrier voltage is more in silicon material?
21. What is the name of the device symbol?
22. Which type of biasing is required to a NPN transistor for amplification?
23. Which is the main application of SCR?
24. What is the purpose of using binary coded decimal (BCD) system in digital circuits?
25. Which electronic circuit produces signal waves or pulses without an input?

⚡ Recently practiced quizzes in this topic
Live quiz activity
Electrician Practice Test: Control Panel Wiring Electrical Measurements Knowledge Test Electrician Practice Test: AC Single Phase Motor Basic Circuit Information and Problems Electrician Practice Test: Generation, Transmission And Distribution System Electrical Certification Exam NYC Master Electrician Exam Questions Journeyman Electrician Practice Test Electrical Tools Electrician Practice Test
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.