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KLUNIVERSITY, VADDESWRAM DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING ELECTRONIC DEVICES AND CIRCUITS (ECC 202)-Tutorial 1 1. A HWR is supplied from a 230 v,50 Hz supply with a step down ratio of 3:1 to a resistive load of 10K .The diode forward resistance is 75 Ω while transformer resistance is 10Ω.Calculate maximum, average, RMS values of current ,DC output voltage, Efficiency of rectification and ripple factor 2. (A) Assume an ideal diode.calculate the dc output voltage for the network shown below fig repeat the part (a) if the diode is replaced by a Si diode, having cut in voltage of 0.7v.neglect diode forward resistance. 3. A HWR with load resistance 1k is given an input of 10V peak from step-down transformer. Calculate DC voltage and load current for ideal and silicon diode. 4. A voltage V=300 cos 100t is applied to a half wave rectifier with load resistance of5 K Ω. The rectifier may be represented by ideal diode in series with a resistance of 1KΩ.calculate, 1. I max 2.DC power,3. AC Power, 4.Recification efficiency,5. Ripple Factor
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  • Fall '16

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Christopher Reinemann
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