WorksheetsAg Power - wiring AC
Total questions: 54
Worksheet time: 27mins
An action in which a force applied to an object and causes a displacement of the object
Power
Work
Force
All of the Above
______ is the international unit of frequency equal to one cycle per second.
Milliamp
Micron
Hertz
Henry
Three methods of heat transfer are
conduction, potential, radiation
potential, kinetic, convection
conduction, kinetic, convection
conduction, convection, radiation
An influence that tends to change the motion of an object or causes stress in a stationary object
Power
Work
Force
All of the Above
Voltage causes electrons to move in a circuit.
True
False
Which formula below explains Ohm's Law?
Power =
Voltage x current
Voltage = Power/current
Resistance =
Voltage/Current
Current =
Power/Resistance
What happens to current when resistance in a circuit decreases?
The current increases
The current remains the same
The current decreases
The current jumps around
What frequency is the US power grid on?
40 Hz
50 Hz
60 Hz
70 Hz
In a series circuit, which below is true?
Electricity has multiple paths to take
If the circuit is complete, there is only one path for electricity to flow
When there is a break in the circuit, devices will still work
None of the above
In a 12/2 wire, the 12 means what?
The gouge of the insulated wires
The number of wires
The length of the wire you are purchasing
code for no ground wire included
What does conductor mean?
materials that allow electrons to flow easily
substance or device which does not readily conduct electricity.
Heat will not pass through the material
All the above
What does insulator mean?
materials that allow electrons to flow easily
substance or device which does not readily conduct electricity.
Heat will not pass through the material
All the above
What is this item?
Handy box
Junction Box
Panel Box
Service meter
Which is a device used to measure electric power consumption?
Handy box
Junction Box
Panel Box
Service meter
What is this item?
Handy box
Junction Box
Panel Box
Service meter
What is a pigtail used for?
Its a jumper wire connected from several wires into a single pole
A series circuit
Hair braids for a little girl
Its used to extend an electrical line that is short
What is a Splice used for?
Its a jumper wire connected from several wires into a single pole
A parallel circuit
Hair braids for a little girl
Its used to extend an electrical line that is short
What is this item used for?
conduit is to bury under ground for electrical wires
Plumbing a sink
Not to be below grade
All the above
What is this item?
caps for electrical box
wire nut
dielectric gel caps
cable grippers
What benefit does a breaker have over a fuse?
They are cheaper
They are reusable
Breakers can carry more voltage
Fuses do not burn up
How much resistance would produce a current of 120 amps from a 6-volt battery?
720 ohms
.05 ohms
20 ohms
120 ohms
What is the voltage if a resistance of 10 ohms produces a current of 250 amps?
250 volts
2500 volts
25 volts
.04 volts
If I had 24 lights on the same line with a circuit rating to operate at 15A and 120V and currently each light has a 60 Watt bulb. If we wants to make these 100 Watt bulbs. Is there enough power for all 24 lights to be on at the same time? If no, How many lights need to be off so not to trip the circuit?
Yes there is enough power
No, 4 lights
No, 6 lights
No, 8 lights
In code correct wiring for a house (120VAC), what are the colors of each wire?
Neutral-Black, Ground-Green, Load-Whte
Ground-Copper, Neutral-White, Load-Black
Ground-White, Neutral-Black, Load-Copper
Load-Black, Ground-White, Neutral-Copper
What is PPE?
Protective Plastic Equipment
Personal Protective Equipment
Personal Pronoun Equalizers
Protective Personal Equalizers
A form of electricity where the flow of current is always in the same direction.
Voltage
AC
Power
DC
The force that opposes and reduces the flow of electrical current is organized as ___
Power
Electromagnetism
Resistance
Frequency
A part of an electric circuit which converts electrical energy into another form of energy to do work is _____
Load
Circuit
Source
Control
A law that states that current is directly proportional to voltage and inversely proportional to resistance in known as ____
PEC
Kirchoff's Law
Law of Resistivity
Ohm's Law
Circuit breakers are used to protect household electrical circuits. What is the ampacity rating of the breaker used for convenience outlets or general purpose circuits?
20A
15A
30A
60A
A break in an electrical conductor or cable is called a(n) __________ circuit.
Open
Ground Fault
Short
Safety glasses are always required when using test and measurement instruments.
True
False
The __________ is the system used to size the conductors used in residential wiring.
American Wire Gauge (AWG)
NEC® wire table
international wire sizing chart
All of the above.
Black Wires are considered to be
Negative
Ground
Neutral
Hot
White wires are __________________ .
Ground
Hot
Neutral
Positive
Bare copper wires are __________________ .
Ground
Hot
Neutral
Positive
What gauge of wire is typically used for 15 amp circuits?
10 ga
12 ga
14 ga
16 ga
What do we call romex cable that has 2 14 gauge conductors and 1 ground wire?
14-2
14-3
What is current?
The flow of electrons (volume)
Electrical pressure (psi)
Opposition to the flow of electrons
What is resistance?
The flow of electrons (volume)
Electrical pressure (psi)
Opposition to the flow of electrons
What type of electricity is used in houses?
Alternating Current
Direct Current
What type of circuit is shown in the picture?
Series Circuit
Broken Circuit
Parallel Circuit
Open Circuit
Long nosed pliers
diagonal side cutting pliers
linemans pliers
Wire strippers
Used to connect two or more wires together.
Circuit
Wire Nut
Romex
Meter
Gauge
