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A moving coil voltmeter with a resistance of 200 gives a full scale deflection of 120 degree, when a potential difference of 100mV is applied across it. The moving coil has dimension of 30mm*25mm and is wounded with 100 turns. The control spring constant is 0.375 *10-°N- m / degree. Find the flux density, in the air gap. The specific resistance for copper=1.7* 10-8Nm. 0.13 0.22 0.15 0.12 0.2 wb/m2 wb/m2 wb/m2 wb/m2 wb/r flux density

A moving coil voltmeter with a resistance of 200 gives a full scale deflection of 120 degree, when a potential difference of 100mV is applied across it. The moving coil has dimension of 30mm*25mm and is wounded with 100 turns. The control spring constant is 0.375 *10-°N- m / degree. Find the flux density, in the air gap. The specific resistance for copper=1.7* 10-8Nm. 0.13 0.22 0.15 0.12 0.2 wb/m2 wb/m2 wb/m2 wb/m2 wb/r flux density

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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A moving coil voltmeter with a resistance of 200 gives a full scale deflection of 120 degree, when a potential difference of 100mV is applied across it. The moving coil has dimension of 30mm*25mm and is wounded with 100 turns. The control spring constant is 0.375 *10-6N- m/ degree. Find the flux density, in the air gap. The specific resistance for copper=1.7* 10-80m . 0.13 0.22 0.15 0.12 0.2 wb/m2 wb/m2 wb/m2 wb/m2 wb/r flux density
Transcribed Image Text:A moving coil voltmeter with a resistance of 200 gives a full scale deflection of 120 degree, when a potential difference of 100mV is applied across it. The moving coil has dimension of 30mm*25mm and is wounded with 100 turns. The control spring constant is 0.375 *10-6N- m/ degree. Find the flux density, in the air gap. The specific resistance for copper=1.7* 10-80m . 0.13 0.22 0.15 0.12 0.2 wb/m2 wb/m2 wb/m2 wb/m2 wb/r flux density
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