8- Optimum number of stages for Cockcroft Walton voltage multiplier circuit are: VmfC a) 21 b) VmfC VmfC c) (VmƒC) d) e) Vm fC

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...
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Choose the correct answer to three questions only

8- Optimum number of stages for Cockcroft Walton voltage multiplier circuit are:
VmfC
a)
21
b)
VmfC
VmfC
c)
VmfC
d)
21
e)
VmfC
9- Parellel resonant transformer test system is used when
a) Large test voltages are needed
b) Stable output voltage with high rate of rise of voltage is needed
c) Large current is needed
d) When high frequency test voltage is needed
e) High accuracy is needed
10-Sphere gaps are used to measure
a) DC, AC peak and impulse voltages
b) DC voltages
c) AC peak voltages
d) Only DC, and impulse voltages
e) Only DC and AC peak voltages
Transcribed Image Text:8- Optimum number of stages for Cockcroft Walton voltage multiplier circuit are: VmfC a) 21 b) VmfC VmfC c) VmfC d) 21 e) VmfC 9- Parellel resonant transformer test system is used when a) Large test voltages are needed b) Stable output voltage with high rate of rise of voltage is needed c) Large current is needed d) When high frequency test voltage is needed e) High accuracy is needed 10-Sphere gaps are used to measure a) DC, AC peak and impulse voltages b) DC voltages c) AC peak voltages d) Only DC, and impulse voltages e) Only DC and AC peak voltages
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