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Quiz 2

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NCAT Practice Test - Practice Test - Physics - Electronics Quiz

Attempt 10 MCQs on NCAT Practice Test - Practice Test - Physics - Electronics | Quiz 2

11. Which part of the AC wave is passed by a half-wave rectifier?

Both half-cycles
Only positive half-cycle
Only one half-cycle
Full cycle

12. How many diodes are typically used in a full-wave bridge rectifier?

Single diode
Two diodes or bridge
Three diodes
Capacitor only

13. How many diodes are in a bridge rectifier?

Four diodes
Two diodes
One diode
Six diodes

14. What is the output of a rectifier without a filter?

Pure DC
Pulsating DC
AC
Square wave

15. What does ripple factor indicate?

DC output voltage
AC component in output
Efficiency
Peak inverse voltage

16. What are the majority carriers in P-type and N-type semiconductors?

P-side: electrons, N-side: holes
P-side: holes, N-side: electrons
Both sides have holes
Both sides have electrons

17. What causes the formation of the depletion region?

Diffusion of carriers
Application of voltage
Light illumination
Heating

18. What is the barrier potential for silicon?

0.3 V
0.7 V
1.0 V
1.5 V

19. What is peak inverse voltage?

Maximum forward voltage
Maximum reverse voltage
Average voltage
Ripple voltage

20. Which diode is used for voltage regulation?

Rectifier diode
Zener diode
Light emitting diode
Photodiode

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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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