Example 1.1: A copper coil when connected to a 30 volt supply initially takescurrentof3 A and has a mean temperature of 20 C°. After sometime the current flowing in the coil falls to 2.85 A, supply voltage remaining same. The mean temperature of the coil is then 33.4 C°. Determine the temperature coefficient of resistance at 0 Co. Also state if it is true that the temperature coefficient can have i) zero value ii) negative value and if yes for which materials

Example 1.1: A copper coil when connected to a 30 volt supply initially takescurrentof3 A and has a mean temperature of 20 C°. After sometime the current flowing in the coil falls to 2.85 A, supply voltage remaining same. The mean temperature of the coil is then 33.4 C°. Determine the temperature coefficient of resistance at 0 Co. Also state if it is true that the temperature coefficient can have i) zero value ii) negative value and if yes for which materials

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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