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Q20 (a) A step down chopper circuit is supplied with power from an ideal voltage source...

Q20 (a) A step down chopper circuit is supplied with power from an ideal voltage source of terminal voltage 100 V. The load voltage waveform consist of rectangular pulses across a 1kΩ resistor of duration 1ms in one cycle of 2.5 ms. Calculate the average value.rms value & ripple factor

  (b) Explain a 1-ф full wave controlled semi converter with freewheel diode for RLE load. (12 Mark)

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