DC Motors
One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven

Also runs as a motor comes to stop after sometime
None of these
Runs as a generator
Does not run as a generator

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DC Motors
The speed of a dc motor is

Directly proportional to flux per pole
None of the listed here
inversely proportional to applied voltage
inversely proportional to flux per pole

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