An energy meter is designed to make 100 revolutions of the disc for one unit of energy. Calculate the number of revolutions made by it , when connected to a load carrying 40 A at 230V and 0.4 p.f. for 1 hour. If it actually makes 360 revolutions, find the percentage error.

An energy meter is designed to make 100 revolutions of the disc for one unit of energy. Calculate the number of revolutions made by it , when connected to a load carrying 40 A at 230V and 0.4 p.f. for 1 hour. If it actually makes 360 revolutions, find the percentage error.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter6: Ground-fault Circuit Interrupters, Arc-fault Circuit Interrupters, Surge Protective Devices, Immersion Detection Circuit Interrupters, And Appliance Leakage Current Interrupters

Section: Chapter Questions

Problem 26R

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