Alternating and Direct Current

draw AC

draw DC

an electric generator converts __ energy into _ energy

Mechanical to electric

a generator can supply __ current if its armature turns are connected to a commutator

direct

an electric motor converts __ energy into _ energy

electrical to mechanical

in a generator the conducting loops across which an emf is induced are called the ___

armature

the current that moves in one direction during part of the generating cycle and in a opposite direction during the remainder of the cycle is a __

AC

the output of a generator is increased by increasing the ___, or by increasing the number of __ on the armature

current and loops

an induction motor uses a __ to turn the rotor

stator

xray tubes use __ motors to rotate the anode

induction

essential components of an electric generator

armature (wire loops)

magnetic field

AC/DC

• slip rings (AC)

• bushes (AC)

• commutator ring (DC)

essential components of an induction motor

rotor

stator