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Electronic Mechanic Practice Test: SMPS and Inverter
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Electronic Mechanic Practice Test: SMPS and Inverter
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25 Questions

1. Which section in SMPS adjust the duty cycle of switching to keep the output voltage constant?
2. Which electric component maintains constant output voltage in the power supply section marked ‘X’?
3. What is the working voltage range of input AC supply specified for SMPS?
4. Which circuit is used in SMPS for voltage regulation?
5. Which transformer has common winding for both primary and secondary?
6. What is the continuous speed adjustment of output voltage correction in servo voltage stabilizers?
7. What is the function of opto-coupler in SMPS circuit?
8. What is the frequency range of switching circuit in SMPS?
9. Which circuit is provided in control section of SMPS to drive the power switching transistor?
10. Which type of connector is used to supply power from SMPS to the computer mother board?
11. What type of transformer is used in automatic voltage stabilizer?
12. What is the efficiency of linear power supply?
13. Which mode of operation the transformer is connected?
14. What is the resultant output voltage of the circuit?
15. What is the function of the circuit?
16. What is the operating frequency of linear power supply?
17. What is the purpose of the Metal Oxide Varistor connected across the AC supply terminals of SMPS?
18. What is the name of the forward converter type SMPS?
19. What is the full form of CVT?
20. Which IC is used in the Pulse Width Modulation circuit of computer SMPS?
21. What is the name of the static device that converts fixed DC input voltage into variable DC output?
22. Which mode of operation, the transformer is connected?
23. What is the switching frequency of SMPS used in computer?
24. What is the function of series regulator IC 2576 pin No4?
25. Which type of operation is performed by the circuit?

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