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1. What is the resistance of a copper conductor at 68 °C if its resistance at 20 °C is 6.160?

1. What is the resistance of a copper conductor at 68 °C if its resistance at 20 °C is 6.160?

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Temperature - Resistance Effect - Experiment 2 APPLICATION: Use separate bond paper (8.5" x 11"). 1. What is the resistance of a copper conductor at 68 °C if its resistance at 20 °C is 6.160? 2. The resistance of a copper is 150 n at 20 °C. By how much should it be exposed to temperature if it is resistance should not exceed to 151.5 ohms? 3. An incandescent lamp with a tungsten filament has 101-0 resistance under its operating temperature at 3000 °C. Calculate the filament resistance when the lamp is disconnected from the electric source and decreased its temperature to 28°C. Based on the result of the laboratory activity, write (or construct) a conclusion on the result of experiment. 13
Transcribed Image Text:Temperature - Resistance Effect - Experiment 2 APPLICATION: Use separate bond paper (8.5" x 11"). 1. What is the resistance of a copper conductor at 68 °C if its resistance at 20 °C is 6.160? 2. The resistance of a copper is 150 n at 20 °C. By how much should it be exposed to temperature if it is resistance should not exceed to 151.5 ohms? 3. An incandescent lamp with a tungsten filament has 101-0 resistance under its operating temperature at 3000 °C. Calculate the filament resistance when the lamp is disconnected from the electric source and decreased its temperature to 28°C. Based on the result of the laboratory activity, write (or construct) a conclusion on the result of experiment. 13
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