A series circuit consisting of a variable resistor in series with a capacitance of 80 microfarad is connected across a 120V,50 HZ supply. To what value should R is adjusted so that the power absorbed the series circuit will be 100W? 15 ohms 10 ohms 18 ohms 12 ohms

A series circuit consisting of a variable resistor in series with a capacitance of 80 microfarad is connected across a 120V,50 HZ supply. To what value should R is adjusted so that the power absorbed the series circuit will be 100W? 15 ohms 10 ohms 18 ohms 12 ohms

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter26: Three-phase Circuits

Section: Chapter Questions

Problem 3PA: You are an electrician working in an industrial plant. A 30-hp three-phase induction motor has a...

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The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

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15 ohms

10 ohms

18 ohms

12 ohms

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