Q. Current flowing through the armature conductors Ic is related to total current Ia by_______

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Q. Value of commutator pitch in lap winding is_____

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Q. What is the value of Yf for a lap winding with a 4-pole, 12 commutator segments, with two coil sides/slot.?

(Assume single-turns coils -retrogressive winding).

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Q. What will be the value of “Yf + Yb” for a wave winding?

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Q. For a progressive wave winding Yc = ______

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Q. Number of parallel paths in wave winding are ______

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Q. What is the spacing between the brushes for a wave winding when a machine is 6-pole DC armature with 16 slots having 2-coil sides per slot and single-turn coils.

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Q. What is the relation between conductor current and armature current in wave winding?

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Q. For a conductor current equal to 4 mA, Current carried by a particular brush in a 2-pole machine will be _____

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Q. Equalizer rings are needed in the wave winding.

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Q. For a wave winding when a machine is 6-pole DC armature with 16 slots having 2-coil sides per slot and single-turn coil, Yf value is ____

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Q. Wave winding machines are used in ______ currents applications.

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Q. For a wave wounded machine number of brushes for small, large machines respectively is ________ _________

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