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For a step-down DC chopper with a resistive load, when the duty cycle is increased the average value of the output voltage-
- a)Decreases
- b)Remains the same
- c)ls zero
- d)Increases
Correct answer is option 'D'. Can you explain this answer?
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For a step-down DC chopper with a resistive load, when the duty cycle ...
Concept:
So, when D increases, 
also increases.
also increases.
is the average load voltage.D is the duty cycle.
is the input voltage.
is the voltage drop across the switch in the ON condition.Free Test
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Community Answer
For a step-down DC chopper with a resistive load, when the duty cycle ...
Explanation:
Step-down DC Chopper:
- A step-down DC chopper is a circuit that converts a high-voltage DC input to a lower-voltage DC output using a switching mechanism.
Resistive Load:
- In this case, the DC chopper is connected to a resistive load, which means that the load impedance is purely resistive.
Duty Cycle:
- The duty cycle of a chopper is the ratio of the on-time of the switch to the total period of the switch. It is usually expressed as a percentage.
Effect of Increasing Duty Cycle:
- When the duty cycle of a step-down DC chopper is increased, it means that the switch is on for a larger portion of the total period.
- This results in more energy being transferred to the load during each switching cycle.
- As a result, the average value of the output voltage increases because the load receives more energy over time.
Therefore, when the duty cycle is increased in a step-down DC chopper with a resistive load, the average value of the output voltage increases.
Step-down DC Chopper:
- A step-down DC chopper is a circuit that converts a high-voltage DC input to a lower-voltage DC output using a switching mechanism.
Resistive Load:
- In this case, the DC chopper is connected to a resistive load, which means that the load impedance is purely resistive.
Duty Cycle:
- The duty cycle of a chopper is the ratio of the on-time of the switch to the total period of the switch. It is usually expressed as a percentage.
Effect of Increasing Duty Cycle:
- When the duty cycle of a step-down DC chopper is increased, it means that the switch is on for a larger portion of the total period.
- This results in more energy being transferred to the load during each switching cycle.
- As a result, the average value of the output voltage increases because the load receives more energy over time.
Therefore, when the duty cycle is increased in a step-down DC chopper with a resistive load, the average value of the output voltage increases.
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For a step-down DC chopper with a resistive load, when the duty cycle is increased the average value of the output voltage-a)Decreasesb)Remains the samec)ls zerod)IncreasesCorrect answer is option 'D'. Can you explain this answer?
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