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Induction motor is a AC motor it is also known as asynchronous motor .

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State the modification to be done in dc series motor to work satisfactorily as ac series motor. State applications of ac series motor.

Answer :

Modifications are necessary in a dc series motor so that it operates satisfactorily on ac supply. The modifications are as follows:  1) AC series motor is built with a few field turns as ... and grinders 5) High speed vacuum cleaners 6) Sewing machines 7) Food processors 8) Drilling machine 

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If a D.C. motor is connected across the A.C. supply it will burn due to heat produced in the field winding by eddy currents.

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A.C. series motor as compared to D.C. series motor has smaller brush width, less number of field turns, more number of armature turns, less air gap.

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If a D.C. series motor is operated on A.C. supply, it will spark excessively, have poor efficiency, have poor power factor.

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What is the difference between an AC and DC generator?

Answer :

The generator which generates DC voltage is called DC generator and generator which generates AC voltage is called AC generator (or) Alternator. In DC generator armature is rotated and field winding ... generator. A DC generator can generate low voltages but an AC generator can generate upto 11kv.

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Which is more dangerous AC or DC and why ?

Answer :

Dc is more dangerous than Ac because in Ac the voltage  will varies but in dc the constant voltage 

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Is the power line voltage available in our homes a dc or an ac voltage?

Answer :

The power line voltage available in our homes is AC. Mobile dwellings are the most commonly DC-supplied homes and even then they tend to include AC supply for heavier loads.

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Do cell phones use AC or DC current?

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DC of course.

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Is current from a battery AC or DC?

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The current from the battery is DC

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Is electricity generated in AC or DC?

Answer :

Electricity   is  generated  in  AC.

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