Electrical Engineering: Power Electronics MCQ
31. Question
A diode is biased of –0.03 V having an ideality factor of 15/13 ; and VT = 26 mV; if the current has to be rased to 1.5 times of the than required voltage will be
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32. Question
A stationary closed Lissajous pattern on an oscilloscope has 3 horizontal tangencies and 2 vertical tangencies for a horizontal input with frequency 3 kHz. The frequency of the vertical input is
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33. Question
In the circuit shown, the diodes are ideal, the inductance is small, and I0 ≠ 0. Which one of the following statements is true?
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34. Question
In the given circuit ,for voltage Vy to be zero,the value of β should be_____
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35. Question
A 100 Hz square wave, switching between 0 V and 5V, is applied to a CR high-class filter circuit as shown, The output voltage waveform across the resistor is 6.2V peak -to – peak ,If the resistance R is 820Ω. then the value C is ___, μF.
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