Installer Technician UPDATED ACTUAL Questions And Correct Answers
C
Terms in this set (200)
20 milliamperes is the same as ____ _. (Remember, 1 0.02 amperes
milliampere = 0.001 ampere.)
The orbital shell that has a maximum electron capacity of Third
18 electrons is the ______ shell.
A semiconductor material Has four valence electrons.
The major factor for determining whether a particular The number of electrons in the valence shell.
element is a conductor, a semiconductor, or an insulator
is
Elements that are called conductors Have very few valence electrons.
The term voltage normally refers to The measurement of the difference in potential between two charges.
The ampere Indicates how many coulombs pass a given point during 1 second.
Electric current is actually produced by The transfer of energy from valence electron to valence electron as a result of
applied charges.
What prevents the electrons that orbit an atom's nucleus The attraction between the positive nucleus and the negative electron.
at high speeds from breaking away from the nucleus due
to centrifugal force?
5 kilovolts is the same as 5 kV.
To create an electromagnet, Wrap a coil of insulated wire around an iron bar and pass an electric current
through the wire.
Magnetism Was discovered when the Greeks noticed that magnetite always aligned itself in a
north and south direction.
In a magnetic material, Where only some of the magnetic domains are pointing in the same direction, the
magnetic field is weaker.
The strength of an electromagnetic field is Determined by the magnitude of the magnetomotive force (mmf).
The magnetic field Created by a straight piece of wire is weaker than that created by forming loops
of wire.
Flux lines Always curve around through the body of the magnet to form complete loops.
, Magnetic poles that are ___________ will_________ each other Alike, repel
when those poles are near each other.
A permanent-magnet loudspeaker Has a cone that moves back and forth in relation to the varying current of the
original sound.
The left-hand rule for electromagnetism in a wire states If you wrap the fingers of your left hand around the wire with your thumb pointing
that in the direction of the current flow, your fingers will be wrapped in the direction of
the magnetic field.
The recording head of a tape recorder is actually a(an) Electromagnet.
(-25) + (42) + (-62) + (20) = -25
(-17) - (-34) = 17
(17) x (-19) = -323
-49/-7 = 7
(20) / (-4) + (-2) x (-10) - (-2) x (7) = 29
3 6/9 + 6 1/3 + 9 5/9 = 19 5/9
4/7 x 9 4/11 = 5 27/77
7 3/8 divided by 7 1/4 = 1 1/58
13 X 0.123 = 0.99999
0.5349 divided by 0.1420 = 3.7669014
Which of the following is a true axiom? When A = C and B = C, then A = B because both are equal to C, which supports the
axiom: Quantities equal to the same quantity are equal to each other.
Simplify and solve the equation: If E = IR then what is the E/R.
formula for finding I?
The square of 7 = __ _. 49
The square root of 81 = __ _. 9
0.00004 = ______ x 10 to the power of ___ _. 4, -5
(75 x 10^3)+(25 x 10^4) = ____. 32.5 x 10^4
(480 x 10^-5) / (60 x 10^-3) = __ _. 8 x 10^-2
C
Terms in this set (200)
20 milliamperes is the same as ____ _. (Remember, 1 0.02 amperes
milliampere = 0.001 ampere.)
The orbital shell that has a maximum electron capacity of Third
18 electrons is the ______ shell.
A semiconductor material Has four valence electrons.
The major factor for determining whether a particular The number of electrons in the valence shell.
element is a conductor, a semiconductor, or an insulator
is
Elements that are called conductors Have very few valence electrons.
The term voltage normally refers to The measurement of the difference in potential between two charges.
The ampere Indicates how many coulombs pass a given point during 1 second.
Electric current is actually produced by The transfer of energy from valence electron to valence electron as a result of
applied charges.
What prevents the electrons that orbit an atom's nucleus The attraction between the positive nucleus and the negative electron.
at high speeds from breaking away from the nucleus due
to centrifugal force?
5 kilovolts is the same as 5 kV.
To create an electromagnet, Wrap a coil of insulated wire around an iron bar and pass an electric current
through the wire.
Magnetism Was discovered when the Greeks noticed that magnetite always aligned itself in a
north and south direction.
In a magnetic material, Where only some of the magnetic domains are pointing in the same direction, the
magnetic field is weaker.
The strength of an electromagnetic field is Determined by the magnitude of the magnetomotive force (mmf).
The magnetic field Created by a straight piece of wire is weaker than that created by forming loops
of wire.
Flux lines Always curve around through the body of the magnet to form complete loops.
, Magnetic poles that are ___________ will_________ each other Alike, repel
when those poles are near each other.
A permanent-magnet loudspeaker Has a cone that moves back and forth in relation to the varying current of the
original sound.
The left-hand rule for electromagnetism in a wire states If you wrap the fingers of your left hand around the wire with your thumb pointing
that in the direction of the current flow, your fingers will be wrapped in the direction of
the magnetic field.
The recording head of a tape recorder is actually a(an) Electromagnet.
(-25) + (42) + (-62) + (20) = -25
(-17) - (-34) = 17
(17) x (-19) = -323
-49/-7 = 7
(20) / (-4) + (-2) x (-10) - (-2) x (7) = 29
3 6/9 + 6 1/3 + 9 5/9 = 19 5/9
4/7 x 9 4/11 = 5 27/77
7 3/8 divided by 7 1/4 = 1 1/58
13 X 0.123 = 0.99999
0.5349 divided by 0.1420 = 3.7669014
Which of the following is a true axiom? When A = C and B = C, then A = B because both are equal to C, which supports the
axiom: Quantities equal to the same quantity are equal to each other.
Simplify and solve the equation: If E = IR then what is the E/R.
formula for finding I?
The square of 7 = __ _. 49
The square root of 81 = __ _. 9
0.00004 = ______ x 10 to the power of ___ _. 4, -5
(75 x 10^3)+(25 x 10^4) = ____. 32.5 x 10^4
(480 x 10^-5) / (60 x 10^-3) = __ _. 8 x 10^-2
