8. Liquids with solid impuritiesa) Have higher dielectric strengthb) Of large size have higher dielectric strengthc) Have lower dielectric strength as compared to pure liquidsd) None of the above9. Peak to peak ripple is defined asa) the difference between average de voltage and peak valueb) the difference between maximum and minimum de voltagec) the difference between maximum ac and average de voltagesd) the difference between ac (rms) and average de voltages10. In a Cockroft-Walton circuit, input voltage 100 kV load current 25 mA, supplyfrequency 100 Hz, each capacitor 10 nF. The optimum no. of stages for maximumoutput voltage isa) 1b) 2c) 10d) 35

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8. Liquids with solid impurities a) Have higher dielectric strength b) Of large size have higher dielectric strength c) Have lower dielectric strength as compared to pure liquids d) None of the above

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter1: Atomic Structure

Section: Chapter Questions

Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?

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Question

8. Liquids with solid impurities
a) Have higher dielectric 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 de 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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