In a given parallel plate capacitor with a stored energy of " W" Joules, if the capacitance value is increased by 11 times and applied voltage is increased by 5 times then the new value of the stored energy = Joules.

In a given parallel plate capacitor with a stored energy of " W" Joules, if the capacitance value is increased by 11 times and applied voltage is increased by 5 times then the new value of the stored energy = Joules.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 3PA: You find that a 25-F capacitor connected to 480 VAC is defective. The storeroom has no capacitors...

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Concept explainers

Power Measurement

According to Blondel's theorem, the total power is measured with one less number of wattmeters than the number of wires present in the system. So, a single-phase and two-wire system will require one wattmeter and a single-phase and the three-wire system will require two wattmeters, and a three-phase and the three-wire system will also require two wattmeters and a three-phase and the four-wire system will require three wattmeter devices. The wattmeter is a device that measures power using one voltage and one current input as shown in the above figure. Multiple current or voltage input pair cables are used by many power analyzers and digital storage oscilloscopes (DSOs) for measuring watts, in effect within a single instrument acting as multiple wattmeters. It is possible to measure three-phase and four-wire power with one correctly specified power analyzer.

Question

In a given parallel plate capacitor with a stored energy of " W" Joules, if the capacitance value is increased by 11 times and applied
voltage is increased by 5 times then the new value of the stored energy =
Joules.
O 550*W
O 275*W
O 36*W
O 138*W

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