For certain dynamometer ammeter,the mutual inductance M varies withdeflection (expressed in degrees)as M = -5 cos (e + 30°) mH. If thedeflection torque produced by 60mA current is 18 × 10-6 N.m, thedeflection of the instrument is(in degrees)

For certain dynamometer ammeter, the mutual inductance M varies with deflection = (expressed in degrees) as M = -5 cos (0 + 30°) mH. If the deflection torque produced by 60 mA current is 18 × 10-6 N.m, the deflection of the instrument is (in degrees)

For certain dynamometer ammeter, the mutual inductance M varies with deflection = (expressed in degrees) as M = -5 cos (0 + 30°) mH. If the deflection torque produced by 60 mA current is 18 × 10-6 N.m, the deflection of the instrument is (in degrees)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Magnetic Moment

The magnetic moment is defined as the alignment of a magnet and its strength when the magnet is creating a magnetic field. There are number of examples of the magnetic moment, few are a current carrying conductor in the form of coil, elements at microscopic levels like electrons and many more.

Question

For certain dynamometer ammeter,
the mutual inductance M varies with
deflection (expressed in degrees)
as M = -5 cos (e + 30°) mH. If the
deflection torque produced by 60
mA current is 18 × 10-6 N.m, the
deflection of the instrument is
(in degrees)

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