A step down chopper has Vs = 230 V and R = 10 Ω. For a duty cycle of – McqOptions

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1.	A step down chopper has Vs = 230 V and R = 10 Ω. For a duty cycle of 0.4, the power taken by the chopper is 2097 Watts. Find the chopper efficiency. Take the voltage drop across the chopper switch as 2 V.
A.	0.98
B.	0.8996
C.	0.9914
D.	0.9654
Answer» D. 0.9654

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