An energy meter makes 100 revolution of its disc per unit of energy. The number of revolutions made by the disc during one hour when connected across 210 V source and drawing a current of 20 A at 0.8 p.f. leading is ?

An energy meter makes 100 revolution of its disc per unit of energy. The number of revolutions made by the disc during one hour when connected across 210 V source and drawing a current of 20 A at 0.8 p.f. leading is ?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter3: Static Electricity

Section: Chapter Questions

Problem 5RQ: An electroscope has been charged with a negative charge. An object with an unknown charge is brought...

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Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.

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