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?
Correct Answer:
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(b...
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Q40: FIGURE 23-3 Q41: Suppose that you wish to construct a Q42: A transformer with 120. turns in its Q43: The windings of a DC motor have Q44: A 60. Hz AC generator produces a Q46: A transformer has a turns ratio of
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