Florida Journeyman Electrician CB
Exam 1
An advantage of an electromagnet over a permanent magnet is that... - Answer- an
electromagnet can be switched.
An excellent diffuser surface is one that... - Answer- scatters light uniformly in all
directions
Light is converted into electricity... - Answer- in a photovoltaic cell
The rotating part in a DC motor is known as... - Answer- an armature
A device used to pull wires through a conduit is called... - Answer- fish tape
In making a resistance test, remember that the resistance of a short circuit is... -
Answer- approximately zero
To increase current capacity, battery cells are connected in... - Answer- parallel
The hot resistance of an incandescent lamp is approximately ______ times its cold
resistance. - Answer- 10 times
The proper way of measuring an unknown voltage with a multi-tester is to... - Answer-
start measuring at the highest range
A capacitor stores... - Answer- a charge
______ has the lowest dielectric strength. - 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. - Answer- knife
If a bare live conductor is touched accidentally, the severity of the electric shock is
determined primarily by... - 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. - Answer- sane as
