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Ripple factor of a half wave rectifier is_________(Im is the peak current and RL is load resistance)
- a)1.414
- b)1.21
- c)1.4
- d)e)a) 1.414b) 1.21c) 1.4
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Ripple factor of a half wave rectifier is_________(Imis the peak curre...
The ripple factor of a rectifier is the measure of disturbances produced in the output. It’s the effectiveness of a power supply filter to reduce the ripple voltage. The ratio of ripple voltage to DC output voltage is ripple factor which is 1.21.
Most Upvoted Answer
Ripple factor of a half wave rectifier is_________(Imis the peak curre...
To determine the ripple factor of a half-wave rectifier, we need to consider the current flowing through the load resistance (RL) and the peak current (Im) of the rectified waveform.
The ripple factor is a measure of the amount of AC ripple present in the rectified DC output. It is calculated as the ratio of the RMS value of the AC component of the output waveform to the DC component.
In a half-wave rectifier, only one half of the incoming AC waveform is rectified. This means that the rectified waveform will have a significant amount of AC ripple.
To calculate the ripple factor, we first need to determine the RMS value of the AC component of the output waveform. This can be done by finding the RMS value of the voltage across the load resistance RL.
The RMS value of the voltage across RL can be calculated using the following formula:
Vrms = Vm / √2
Where Vm is the peak voltage of the rectified waveform.
Next, we need to determine the RMS value of the AC component of the output current. This can be done by dividing the RMS voltage by the load resistance RL:
Irms = Vrms / RL
Finally, we can calculate the ripple factor using the formula:
Ripple factor = Irms / Im
Now, let's calculate the ripple factor for a half-wave rectifier using the given options:
Option a) 1.414
Option b) 1.21
Option c) 1.4
Using the above formulas, we can determine that the correct answer is option b) 1.21.
The ripple factor is a measure of the amount of AC ripple present in the rectified DC output. It is calculated as the ratio of the RMS value of the AC component of the output waveform to the DC component.
In a half-wave rectifier, only one half of the incoming AC waveform is rectified. This means that the rectified waveform will have a significant amount of AC ripple.
To calculate the ripple factor, we first need to determine the RMS value of the AC component of the output waveform. This can be done by finding the RMS value of the voltage across the load resistance RL.
The RMS value of the voltage across RL can be calculated using the following formula:
Vrms = Vm / √2
Where Vm is the peak voltage of the rectified waveform.
Next, we need to determine the RMS value of the AC component of the output current. This can be done by dividing the RMS voltage by the load resistance RL:
Irms = Vrms / RL
Finally, we can calculate the ripple factor using the formula:
Ripple factor = Irms / Im
Now, let's calculate the ripple factor for a half-wave rectifier using the given options:
Option a) 1.414
Option b) 1.21
Option c) 1.4
Using the above formulas, we can determine that the correct answer is option b) 1.21.
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