Basic Electrical Theory
OBJECTIVES
ENABLING OBJECTIVES (Cont.)
1.5
DESCRIBE how the following methods produce a voltage:
a.
Electrochemistry
b.
Static electricity
c.
Magnetic Induction
d.
Piezoelectric effect
e.
Thermoelectricity
f.
Photoelectric effect
g.
Thermionic emission
1.6
DEFINE the following terms:
a.
Magnetic flux
b.
Magnetic flux density
c.
Weber
d.
Permeability
e.
Magnetomotive force (mmf)
f.
Ampere turns
g.
Field intensity
h.
Reluctance
1.7
DESCRIBE the following materials as they relate to permeability, including an example
and an approximate relative permeability.
a.
Ferromagnetic materials
b.
Paramagnetic materials
c.
Diamagnetic materials
1.8
EXPLAIN the physical qualities of a simple magnetic circuit, including relationships of
qualities and units of measurements.
1.9
Given the physical qualities of a simple magnetic circuit, CALCULATE the unknown
values.
1.10
DESCRIBE the shape and components of a BH magnetization curve.
1.11
EXPLAIN the cause of hysteresis losses.
1.12
Given Faraday’s Law of induced voltage:
a.
DESCRIBE how varying parameters affect induced voltage.
b.
CALCULATE voltage induced in a conductor moving through a magnetic field.
1.13
STATE Lenz’s Law of induction.
Rev. 0
Page ix
ES-01
