Question 1
One advantage DC type motors have over AC types is that
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they use a more common type of voltage source.
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they require less maintenance.
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their speed can be easily varied.
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they are less expensive to manufacture.
Question 2
Shunt field coil windings of DC motors
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have high resistance.
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are constructed with many turns of small diameter wire.
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are connected across the supply voltage source.
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All of the answers are correct.