Electronics Quiz

Efficiency of a half wave rectifier is

• 50%

• 60%

• 40.6%

• 46%

If peak voltage for a half wave rectifier circuit is 5V and diode cut in voltage is 0.7, then peak inverse voltage on diode will be?

• 5V

• 4.9V

• 4.3V

• 6.7V

Transformer utilisation factor of a half wave rectifier is _________

• 0.234

• 0.279

• 0.287

• 0.453

If the input frequency of a half wave rectifier is 100Hz, then the ripple frequency will be_________

• 150Hz

• 200Hz

• 100Hz

• 300Hz

Ripple factor of a half wave rectifier is_________(Im is the peak current and RL is load resistance)

• 1.414

• 1.21

• 1.4

• 0.48

Efficiency of a centre tapped full wave rectifier is _________

• 50 %

• 40 %

• 46 %

• 70 %

• 81.2 %

In a centre tapped full wave rectifier, RL=1KΩ and for diode Rf=10Ω. The primary voltage is 800sinωt with transformer turns ratio=2. The ripple factor will be _________

• 54 %

• 48 %

• 26 %

• 81 %

If input frequency is 50Hz for a full wave rectifier, the ripple frequency of it would be _________

• 100 hz

• 50 hz

• 25 hz

• 500 hz

In the circuits given below, the correct full wave rectifier is _________

• 
• 
• 
• 

If the peak voltage on a centre tapped full wave rectifier circuit is 5V and diode cut in voltage is 0.7. The peak inverse voltage on diode is_________

• 4.3 v

• 9.3 v

• 5.7 v

• 10.7 v