A coil with an air core has a resistance of 14.70. When it is connected to a 42V, 60 Hz ac source, it draws a current of 1.24A. Calculate: (i) The impedance of the coil (ii) (iii) Reactance of the coil and its inductance Phase angle between the voltage and current

A coil with an air core has a resistance of 14.70. When it is connected to a 42V, 60 Hz ac source, it draws a current of 1.24A. Calculate: (i) The impedance of the coil (ii) (iii) Reactance of the coil and its inductance Phase angle between the voltage and current

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter3: Magnetic Starters

Section: Chapter Questions

Problem 30SQ

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Question

100%

A coil with an air core has a resistance of 14.72. When it is connected to a 42V, 60 Hz ac
source, it draws a current of 1.24A. Calculate:
(i)
The impedance of the coil
(ii)
(iii)
Reactance of the coil and its inductance
Phase angle between the voltage and current

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