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FLORIDA JOURNEYMAN ELECTRICIAN CB EXAM 1 2024/2025
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FLORIDA JOURNEYMAN ELECTRICIAN CB EXAM 1 2024/2025
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FLORIDA JOURNEYMAN ELECTRICIANCB EXAM 1 2024/2025
An advantage of an electromagnet over a permanent magnet is that... -
Precise Answer ✔✔an electromagnet can be switched.
An excellent diffuser surface is one that... - Precise Answer ✔✔scatters
light uniformly in all directions
Light is converted into electricity... - Precise Answer ✔✔in a
photovoltaic cell
The rotating part in a DC motor is known as... - Precise Answer ✔✔an
armature
A device used to pull wires through a conduit is called... - Precise
Answer ✔✔fish tape
In making a resistance test, remember that the resistance of a short
circuit is... - Precise Answer ✔✔approximately zero
To increase current capacity, battery cells are connected in... - Precise
Answer ✔✔parallel
, The hot resistance of an incandescent lamp is approximately ______
times its cold resistance. - Precise Answer ✔✔10 times
The proper way of measuring an unknown voltage with a multi-tester is
to... - Precise Answer ✔✔start measuring at the highest range
A capacitor stores... - Precise Answer ✔✔a charge
______ has the lowest dielectric strength. - Precise Answer ✔✔paper
A form of air switch in which the moving element is a hinged blade
wedge between stationary contact blades when closed is a _____
switch. - Precise Answer ✔✔knife
If a bare live conductor is touched accidentally, the severity of the
electric shock is determined primarily by... - Precise Answer ✔✔contact
resistance at point of contact
The voltage per turn of the primary of a transformer is _____ the
voltage per turn of the secondary. - Precise Answer ✔✔sane as
An open resistor when checked with an ohmmeter reads _____. -
Precise Answer ✔✔infinite
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