Journeyman Electrical Closed Book
Exam #1
An advantage of an electromagnet over a permanent magnet is that ____. - answer An
electromagnet can be switched on and off.
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 of a DC motor is known as ____. - answer 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 it's cold
resistance. - answerTen.
The proper way of measuring an unknown voltage with a multi-tester is to ____. -
answerStart measuring at the highest range.
A capacitor stores ____. - answerA charge.
____ has the lowest electrical strength. - answerPaper.
A form of air switch in which the moving element is a hinged blade wedge between
stationary contact blades when closed is a ____ switch. - answerKnife.
If a bare live conducted is touched accidentally, the severity of electrical shock is
determined primarily by ____. - answerThe contact resistance between the bare wire
and the person at the point of contact.
The voltage per turn of the primary of a transformer is ____ the voltage per turn of the
secondary. - answerThe same as.
An open resistor when checked with an ohmmeter reads ____. - answerInfinite.
Exam #1
An advantage of an electromagnet over a permanent magnet is that ____. - answer An
electromagnet can be switched on and off.
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 of a DC motor is known as ____. - answer 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 it's cold
resistance. - answerTen.
The proper way of measuring an unknown voltage with a multi-tester is to ____. -
answerStart measuring at the highest range.
A capacitor stores ____. - answerA charge.
____ has the lowest electrical strength. - answerPaper.
A form of air switch in which the moving element is a hinged blade wedge between
stationary contact blades when closed is a ____ switch. - answerKnife.
If a bare live conducted is touched accidentally, the severity of electrical shock is
determined primarily by ____. - answerThe contact resistance between the bare wire
and the person at the point of contact.
The voltage per turn of the primary of a transformer is ____ the voltage per turn of the
secondary. - answerThe same as.
An open resistor when checked with an ohmmeter reads ____. - answerInfinite.
