19. What is the primary function of a capacitor in an electronic circuit?
- a) To store electrical charge
- b) To limit the flow of current
- c) To amplify signals
- d) To convert AC to DC
- Answer: a) To store electrical charge
20. What is the primary function of a resistor in an electronic circuit?
- a) To store electrical charge
- b) To limit the flow of current
- c) To amplify signals
- d) To convert AC to DC
- Answer: b) To limit the flow of current
21. What is the primary function of an inductor in an electronic circuit?
- a) To store electrical charge
- b) To store energy in a magnetic field
- c) To amplify signals
- d) To convert AC to DC
- Answer: b) To store energy in a magnetic field
22. What is the primary function of a transformer?
- a) To store electrical charge
- b) To amplify signals
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: d) To step up or step down voltage
23. What is the primary function of a rectifier?
- a) To store electrical charge
- b) To amplify signals
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: c) To convert AC to DC
24. What is the primary function of an amplifier?
- a) To store electrical charge
- b) To increase the power of a signal
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: b) To increase the power of a signal
25. What is the primary function of an oscillator?
- a) To store electrical charge
- b) To generate a periodic signal
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: b) To generate a periodic signal
26. What is the primary function of a microcontroller?
- a) To store electrical charge
- b) To control other electronic components
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: b) To control other electronic components
27. What is the primary function of a voltage regulator?
- a) To store electrical charge
- b) To maintain a constant voltage level
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: b) To maintain a constant voltage level
28. What is the primary function of a relay?
- a) To store electrical charge
- b) To switch circuits on and off
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: b) To switch circuits on and off
29. What is the primary function of a sensor in an electronic circuit?
- a) To store electrical charge
- b) To detect changes in the environment and convert them into electrical signals
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: b) To detect changes in the environment and convert them into electrical signals
30. What is the primary function of a display in an electronic circuit?
- a) To store electrical charge
- b) To show information visually
- c) To convert AC to DC
- d) To step up or step down voltage
- Answer: b) To show information visually
---
For more information and resources, you can join us on Telegram:
**Gelemso Academy** **Gelemso Academy** @
Bililleacadamy@bililleacadamy