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1-Some copper wire has a resistance of 200 at 20°C. A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, correct to the nearest ohm, assuming that the temperature cocfficient of resistance is 0.004/°C at 0°C

1-Some copper wire has a resistance of 200 at 20°C. A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, correct to the nearest ohm, assuming that the temperature cocfficient of resistance is 0.004/°C at 0°C

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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1- Some copper wire has a resistance of 200 at 20°C. A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, correct to the nearest ohm, assuming that the temperature cocfficient of resistance is 0.004/°C at 0°C 2- Find RAn in the network in Figure below. ww 6 kN ww 6 k0 ww 2 kl RA 36kn B 3- Find Vab and Vde in the circuit in Figure below Vab 20 V 330 V de 310
Transcribed Image Text:1- Some copper wire has a resistance of 200 at 20°C. A current is passed through the wire and the temperature rises to 90°C. Determine the resistance of the wire at 90°C, correct to the nearest ohm, assuming that the temperature cocfficient of resistance is 0.004/°C at 0°C 2- Find RAn in the network in Figure below. ww 6 kN ww 6 k0 ww 2 kl RA 36kn B 3- Find Vab and Vde in the circuit in Figure below Vab 20 V 330 V de 310
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