RATED A+ | NEW EDITION
When a standard is adopted by an agency having authority, the standard becomes a _____ and
may contain requirements for alarm installa ons.
Code
Prior to working in a par cular jurisdic on, alarm technicians should consult _____
All of the above: Statutes, Ordinances, and Board Rules
An organiza on, office, or individual responsible for enforcing the requirements of a code or
standard, or for approving equipment, materials, an installa on, or a procedure, is known as the
_____.
Authority Having Jurisdic on (AHJ)
An organiza on's or associa on's published guideline containing recommended installa on
prac ces is known as _____.
a Standard
True or False? The term "shall" when found in code is something that must be done, while the
term "should" is a recommenda on.
True
Electrons have what type of charge?
Nega ve
Where are valence electrons located?
in the outer shell
True or False? Stable atoms have the outer electron shells completely filled.
True
What is the unit of measurement for resistance?
Ohms (Ω)
What is the rela onship between resistance and conductance?
, Conductance = 1 / resistance
In a _____ circuit, electrons have one or more paths.
Parallel
_____ is the same at all points in a series circuit.
Current
In a series circuit, _____ is addi ve.
Resistance
In the circuit shown above, the volt meter would measure ________ volts.
(12V with R1 = 20 ohms, R2 = 20 ohms, and R4 = 20 ohms)
4 volts
True or False? In a series circuit, the total of all voltage drops is always equal to the supplied
voltage.
True
To convert kilo-ohms to ohms, the provided value must be _____ _____ 1,000.
mul plied by
Convert 500 milliamps to amps.
(500 divided by 1000)
0.5 amps
The symbol used to represent _____ is the Greek leAer omega.
Resistance (ohms)
In the Ohm's Law formula the I used to represent current stands for _____.
Intensity
What is the total resistance of the above circuit?
(Resistance is measured in ohms. Resistance is addi ve, so add all ohms together)
(R1 = 20 ohms, R2 = 40 ohms, R4 = 60 ohms)
20 + 40 + 60 = ____