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NCAT Practice Test - Practice Test - Physics - Electronics Quiz

Attempt 10 MCQs on NCAT Practice Test - Practice Test - Physics - Electronics | Quiz 4

31. What is the resistance in reverse bias?



32. What is the average output voltage of a half-wave rectifier with peak input V_m?



33. For a full-wave rectifier, the average DC voltage (peak V_m) is:



34. Peak input 10 V to half-wave rectifier. What is PIV?



35. Peak input 20 V to bridge rectifier. What is PIV of each diode?



36. Center-tapped full-wave rectifier: each half secondary has 10 V peak. Find PIV.



37. Peak input 10 V, silicon diode. What is peak output of half-wave rectifier?



38. Bridge rectifier, 10 V peak, silicon diodes. Find peak output.



39. Half-wave rectifier with R=1 kΩ, C=100 μF, f=50 Hz. Find ripple factor (approx).



40. Zener regulator: V_z=10 V, R_s=100 Ω, R_L=200 Ω, input 20 V. Find Zener power dissipation.



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