The _____ ride against the commutator segments and are used to connect the armature to the external circuit of the DC machine.

The Holtz motor operates at _____ RPM.

Armatures are wound to provide high voltage, high current, or some specific combination of voltage and current. Which type of winding provides low voltage and high current?

What is a device that converts mechanical energy into DC electrical energy?

A compound generator has both series and shunt field windings. When those windings are connected so they aid each other in the production of magnetism, that connection is called _____.

In the shaded-pole induction motor, the shading coil acts like a transformer with a(n) _____ secondary winding.

A two-phase power system has two voltages that are _____ out of phase.

The _____ winding is made of a few turns of large wire and is located at the bottom of the stator core  of a split-phase motor.

What is a special type of motor designed to operate with the rotor stalled without damage to the motor?

A squirrel-cage rotor induction motor has a synchronous speed of 3600 RPM and an actual rotor speed of 3450 RPM. What is the percent slip?