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What are brushes in a motor?
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State functions of the following parts of d.c motor: (i) Pole shoe (ii) Commutator (iii) Brushes (iv) Yoke.

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What material is used to make brushes in a DC Machine?

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What is the main purpose of the commutator and brushes?

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What are the applications of a split-phase motor drive in power electronics?

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Why motor are rated as KW while transformer rated in kVA?

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What are the different methods for the starting of a synchronous motor ?

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The power input to a 500V 50Hz 6Pole 3 phase induction motor running at 975 rpm is 40 kW. The stator losses are 1kW and friction and windage losses are 2kW. Calculate: (i) Slip (ii) Rotor copper loss (iii) Shaft power (iv) Efficiency

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What are the disadvantages of a bipolar stepper motor?

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What are the advantages of a bipolar stepper motor?

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What are 2 main differences between a motor and a generator?

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What are the two main parts of a synchronous motor?

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What are the characteristics of a synchronous motor?

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