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VENKATESH

· started a discussion

· 1 Months ago

flux is inversely proportional to speed (Question: 375712.0 )

then flux decreases ----->speed increases

Question:

A D.C. series motor is running at rated speed without any additional resistance in series. If an additional resistance is placed in series, the speed of the motor ____.

Options:
A)

increases

B)

decreases

C)

remains unchanged

D)

oscillates around the rated speed

Solution:

Ans: (b)

  

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