Energy Conversion

The voltage per turn of the primary of a transformer is _____ the voltage per turn of the secondary

The winding of the transformer with greater number of turns will be

The coupling field between electrical and mechanical systems of a dc machine is

The real working part of a dc machine is the

Which dc machines are most common?

A machine with field excitation by both shunt and series windings.

The armature winding of a dc machine is placed on the rotor to

The yoke of a dc machine carries _____ pole flux.

The greatest eddy current loss occurs in the _____ of a dc machine.

The commutator pitch for a simplex lap winding is equal to

In a simplex wave winding, the number of parallel paths is equal to

In a practical transformer, copper losses account for how many percent of the total losses?

By laminating the core of a transformer, _____ decreases.

The number of parallel paths in a simplex lap winding is equal to

In a dc machine, the number of commutator segments is equal to

A dc compound generator having full-load terminal voltage equal to the no-load voltage is called _____ generator.

The terminal voltage of a_____ generator varies widely with changes in load current.

The nature of armature winding of a dc machine is decided by

The voltage regulation of an alternator is larger than that of a dc generator because of

High-voltage dc machines use what winding?