Answered: a coil of resistance 10 ohm and…

a coil of resistance 10 ohm and inductor 0.02 henry is connected in series with another resistance of 6 ohm and inductance 15mh across a 230v 50hz supply

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter19: Capacitors

Section: Chapter Questions

Problem 2PP: Two capacitors having values of 80 F and 60 F are connected in series. What is the total...

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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.

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a coil of resistance 10 ohm and inductor 0.02 henry is connected in series with another resistance of 6 ohm and inductance 15mh across a 230v 50hz supply

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