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Science-Related Homework Help Physics Topic started by: Northa on Feb 26, 2017



Title: A 80. volt DC motor draws 4.0 A at its operating speed of 1500. rpm with anarmature resistance of ...
Post by: Northa on Feb 26, 2017
A 80. volt DC motor draws 4.0 A at its operating speed of 1500. rpm with an
armature resistance of 4.0 Ω.
(a)   What is the starting current?
(b)   What is the back emf when running normally?
(c)   What series resistance could be added to limit the starting current to 10. A?


Title: Re: A 80. volt DC motor draws 4.0 A at its operating speed of 1500. rpm with anarmature resistance ...
Post by: longhair on Feb 26, 2017
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Title: Re: A 80. volt DC motor draws 4.0 A at its operating speed of 1500. rpm with anarmature resistance of ...
Post by: Northa on Jul 12, 2017
Thanks for the help