1. Find the resistance of a conductor at 500 degrees Celsius given that its temperature coefficient at 200 degrees Celsius being 1/420 per °C and resistance at 420 °C being 200 ohms. 2. Two conductors, one of copper and the other of iron, are connected in parallel and carry equal currents at 25°c. How many percent of the total current will the copper conductor carry if the temperature is raised to 100°C? The temperature coefficients of resistance at 0 °C are 0.0043 /°C and 0.0063 /°C for copper and iron, respectively.
1. Find the resistance of a conductor at 500 degrees Celsius given that its temperature coefficient at 200 degrees Celsius being 1/420 per °C and resistance at 420 °C being 200 ohms. 2. Two conductors, one of copper and the other of iron, are connected in parallel and carry equal currents at 25°c. How many percent of the total current will the copper conductor carry if the temperature is raised to 100°C? The temperature coefficients of resistance at 0 °C are 0.0043 /°C and 0.0063 /°C for copper and iron, respectively.
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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