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Calculate the resistivity of a manufactured "run" of annealed copper wire at 20'C , in ohm -circular mils per foot , if its conductivity is a) 96.5 % b) 100.8% An electric motor drives a mechanical load taking 18.8 amperes from a 230V source. a) Calculate the power input of the motor b) the horsepower output of the motor if it operates at an efficiency o 86.4% A coil of wire having a resistance of 3.84 ohms and carrying a current of 0.15A is in parallel with ar unknown resistance thru which there is a current of 1.44A.. Calculate the unknown resistance R1

Calculate the resistivity of a manufactured "run" of annealed copper wire at 20'C , in ohm -circular mils per foot , if its conductivity is a) 96.5 % b) 100.8% An electric motor drives a mechanical load taking 18.8 amperes from a 230V source. a) Calculate the power input of the motor b) the horsepower output of the motor if it operates at an efficiency o 86.4% A coil of wire having a resistance of 3.84 ohms and carrying a current of 0.15A is in parallel with ar unknown resistance thru which there is a current of 1.44A.. Calculate the unknown resistance R1

Introductory Circuit Analysis (13th Edition)
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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Calculate the resistivity of a manufactured “run" of annealed copper wire at 20°C , in ohm -circular mils per foot , if its conductivity is a) 96.5 % b) 100.8% An electric motor drives a mechanical load taking 18.8 amperes from a 230V source. a) Calculate the power input of the motor b) the horsepower output of the motor if it operates at an efficiency of 86.4% A coil of wire having a resistance of 3.84 ohms and carrying a current of 0.15A is in parallel with an unknown resistance thru which there is a current of 1.44A.. Calculate the unknown resistance R1 1. RssisTIrrTINS OF COMMON ISGNMEINAN AN Alloya Ktemenis 42 Brass...... German silver.... . Manganin.. Lucero.. Advance... Constantan.. Excello..... Nichrome.. Nichrome II.. Chromel.... 9.9 .... Sitree..... Cegper, annealed..... 10.37 Cegger, hard-drawn... 10.65 Gold, pare... Aluminuam. 199 265 .... 280 294 302 550 600 14 17 28 Magnesium. Tungsten. Eine.. Nickel. 33 36 47 660 625-655 Isn, cast. Platinum. 54 60 Insn, commercial. Lead. Meroury. 75 132 .... 577
Transcribed Image Text:Calculate the resistivity of a manufactured “run" of annealed copper wire at 20°C , in ohm -circular mils per foot , if its conductivity is a) 96.5 % b) 100.8% An electric motor drives a mechanical load taking 18.8 amperes from a 230V source. a) Calculate the power input of the motor b) the horsepower output of the motor if it operates at an efficiency of 86.4% A coil of wire having a resistance of 3.84 ohms and carrying a current of 0.15A is in parallel with an unknown resistance thru which there is a current of 1.44A.. Calculate the unknown resistance R1 1. RssisTIrrTINS OF COMMON ISGNMEINAN AN Alloya Ktemenis 42 Brass...... German silver.... . Manganin.. Lucero.. Advance... Constantan.. Excello..... Nichrome.. Nichrome II.. Chromel.... 9.9 .... Sitree..... Cegper, annealed..... 10.37 Cegger, hard-drawn... 10.65 Gold, pare... Aluminuam. 199 265 .... 280 294 302 550 600 14 17 28 Magnesium. Tungsten. Eine.. Nickel. 33 36 47 660 625-655 Isn, cast. Platinum. 54 60 Insn, commercial. Lead. Meroury. 75 132 .... 577
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