If T is the time period for a chopper circuit and α is its duty cycle, then the chopping frequency is

Related MCQs

• In a step down chopper, if Vs = 100 V and the chopper is operated at a duty cycle of 75 %. Find the output voltage.
• Find the expression for output voltage for a step-up chopper, assume linear variation of load current and α as the duty cycle.
• Find the output voltage for a step-up chopper when it is operated at a duty cycle of 50 % and Vs = 240 V.
• What is the duty cycle of a chopper ?
• Which device can be used in a chopper circuit?
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• The average value of the output voltage in a step - down dc chopper is given by
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