एक DC मशीन की रेट्रोग्रेसिव वेव वाइंडिंग में, यदि YC कम्यूटेटर पिच है, तो वाइंडिंग विन्यास ऐसा होता है कि YC का मान _______ के बराबर होता है।

The distance measured in terms of the armature conductors that a coil advances on the back of the armature is called:

For a simplex lap winding, the resultant pitch (or coil gap) is equal to _______.

For a simplex lap winding, the commutator pitch is always ______, and the commutator pitch for a simplex wave winding is approximately equal to _______.