Topic: Resistance Variationand Ohm's LawPlease solve 3 and 4 problems. Thankyou 3. The resistance of the copper field winding of a DC machine at 40 deg. C is 0.40 ohms.After operating for some time, the resistance is found to be 0.50 ohms. Find the operatingtemperature.4. The diameter of a cylindrical conductor A is 6 mm, and its length is 2 m. The diameter andlength of a cylindrieal conductor B of the same material as A are 3 mm and 1 m. Theresistance of conductor B is 0.02 Determine resistance of conductor A, its temperaturebeing the same as that of B.

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Answered: . The resistance of the copper field…

. The resistance of the copper field winding of a DC machine at 40 deg. C is 0.40 ohms. After operating for some time, the resistance is found to be 0.50 ohms. Find the operating temperature.

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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Question

Topic: Resistance Variationand Ohm's Law

Please solve 3 and 4 problems. Thankyou

3. The resistance of the copper field winding of a DC machine at 40 deg. C is 0.40 ohms.
After operating for some time, the resistance is found to be 0.50 ohms. Find the operating
temperature.
4. The diameter of a cylindrical conductor A is 6 mm, and its length is 2 m. The diameter and
length of a cylindrieal conductor B of the same material as A are 3 mm and 1 m. The
resistance of conductor B is 0.02 Determine resistance of conductor A, its temperature
being the same as that of B.

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