Electrical Machines
Which machine is used for battery charging?

 DC shunt generator.
 Compounded DC generator.
 None of these.
 DC series generator.

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Electrical Machines
With the increase in speed of a DC motor

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

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