Electrical Machines
The size of inter poles is small as compared to main poles. What is the reason?

 In order to get saturated.
All of these
 In order to not to get saturated.
 In order to get more flux.

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Electrical Machines
With the increase in speed of a DC motor

 back emf falls and line current increases.
 both back emf as well as line current increase.
 back emf increases but line current falls.
 both back emf as well as line current fall.

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