▶ Problem 19: The winding of an AC electric motor has an inductance of 29 mH and a resistance of 2. The motor runs on a 60-Hz rms voltage of 120 V.

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
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Chapter33: Inductors And Ac Circuits
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Problem 19:

Part (a)  What is the rms current that the motor draws, in amperes?

Irms = ______ A

Part (b)  By what angle, in degrees, does the current lag the input voltage? 

ϕ = ______ o

Part (c)  What is the capacitance, in microfarads, of the capacitor that should be connected in series with the motor to cause the current to be in phase with the input voltage?

C = ______ μF  

Problem 19: The winding of an AC electric motor has an inductance of 29 mH and a resistance of
12 Q2. The motor runs on a 60-Hz rms voltage of 120 V.
2
Transcribed Image Text:Problem 19: The winding of an AC electric motor has an inductance of 29 mH and a resistance of 12 Q2. The motor runs on a 60-Hz rms voltage of 120 V. 2
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