9. Peak to peak ripple is defined as a) the difference between average de voltage and peak value b) the difference between maximum and minimum de voltage c) the difference between maximum ac and average de voltages d) the difference between ac (ms) and average de voltages

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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Chapter12: Electronic Control Devices
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8. Liquids with solid impurities
a) Have higher dielectrie strength
b) Of large size have higher dielectric strength
c) Have lower dielectric strength as compared to pure liquids
d) None of the above
9. Peak to peak ripple is defined as
a) the difference between average de voltage and peak value
b) the difference between maximum and minimum de voltage
c) the difference between maximum ac and average dc voltages
d) the difference between ac (rms) and average de voltages
10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supply
frequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximum
output voltage is
a) 1
b) 2
c) 10
d) 35
Transcribed Image Text:8. Liquids with solid impurities a) Have higher dielectrie strength b) Of large size have higher dielectric strength c) Have lower dielectric strength as compared to pure liquids d) None of the above 9. Peak to peak ripple is defined as a) the difference between average de voltage and peak value b) the difference between maximum and minimum de voltage c) the difference between maximum ac and average dc voltages d) the difference between ac (rms) and average de voltages 10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supply frequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximum output voltage is a) 1 b) 2 c) 10 d) 35
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