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Power ElectronicsChopper Numericals

A chopper has an ON time of 4 ms and an OFF time of 6 ms. Its duty ratio is?

  • A0.4
  • B0.6
  • C0.67
  • D1.5
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Correct Answer: A. 0.4
Explanation: D=Ton/(Ton+Toff)=4/(4+6)=0.4.
Reference: Standard power electronics: chopper numericals
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