AIRFRAME ELECTRICAL SYSTEMS CH 7 2025 LATEST UPDATE

AIRFRAME ELECTRICAL SYSTEMS
CH 7 2025 LATEST UPDATE
In any generator, current will flow whenever there is _ motion between the wire coil and
the magnetic field - ANSWER relative

The strength of the induced current depends on the _ of the magnetic field and the _ at
which the lines of flux are cut - ANSWER strength, speed

What does each of the three digits represent in the left hand rule for generators?
a. first finger
b. middle finger
c. thumb - ANSWER a. direction of magnetic
flux (north to south)
b. direction of induced
EMF (voltage)
c. direction conductor
moves through the
magnetic field

The coil of wire in a generator where the current is induced is called the _ - ANSWER
armature

The device that converts the AC current produced in the armature into DC current is
called the _ - ANSWER commutator

Current is transferred from the rotating commutator to stationary _ - ANSWER brushes

The principle parts of a small aircraft DC generator are the: - ANSWER a. field frame
b. armature
c. commutator
d. brush assembly

The field frame of a generator has two primary functions. They are to: - ANSWER a.
complete the
magnetic circuit
b. provide mechanical
support for the other
parts.


The position where the plane of two opposite coils is perpendicular to the magnetic field
of the generator is called the _ plane - ANSWER neutral