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In which of the following applications DC series motor is invariably tried?

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In which of the following applications DC series motor is invariably tried?

(a) Starter for a car

(b) Drive for a water pump

(c) Fan motor

(d) Home appliances

The question was posed to me during an internship interview.

My question is taken from Operating Characteristics of DC Series Motor -1 topic in section Characteristics of DC Motors of DC Machines

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The correct option is (a) Starter for a car

The explanation is: Starter of the car simply implies start of operation at maximum load. Thus, series motor can be used in this application. For higher torques, since speed remains constant car starter is one of the best application of DC series motor.

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