CET A PRACTICE TEST WITH ALL CORRECT & VERIFIED ANSWERS (UPDATED TO PASS)

CET A PRACTICE TEST WITH ALL CORRECT & VERIFIED
ANSWERS (UPDATED TO PASS)
1.

What does the acronym ESD stand for?
A.
Electrostatic Discharge
B.
Electrostatic Device
C.
Electromagnetic Sensitivity Diac
D.
Electrostatic Damage Correct answer-A.
Electrostatic Discharge

Current amounts between ______ and _____ can be lethal.
A.
100mA, 200mA
B.
10mA, 33.3mA
C.
33.3, 75.6mA
D.
4mA, 10mA Correct answer-A.
100mA, 200mA

What is the number one concern in regards to electrical safety?
A.
Proper grounding
B.
ESD
C.
Shock
D.
Faulty equipment Correct answer-C.
Shock

Bohr's Atomic Model consists of what three components?
A.
Neutrons, ion, neutrinos
B.
Protons, neutrons and cations
C.
Tachyons gravitons and electrons
D.
Protons, neutrons and electrons Correct answer-D.
Protons, neutrons and electrons

Electrons are arranged in _____ around a nucleus.
A.

,orthogonal lattices
B.
shells
C.
loops
D.
spheres Correct answer-B.
shells

What are three types of materials used in electronics?
A.
Conductors, semi-conductors and insulators
B.
Semi-conductors, insulators and semi-insulators
C.
Insulators, conductors and interions
D.
Conductors, insulators and regulators Correct answer-A.
Conductors, semi-conductors and insulators

In the United States there are five common classifications of fires, which are:
A.
A, C, D, K, M.
B.
A, B ,C, D, E.
C.
A, B, C, E, M.
D.
A, B, C, D, K. Correct answer-D.
A, B, C, D, K.

Coulomb's Law describes the forces of attraction or repulsion between electrical charges, which are
______________ to the product of the charges ______________ to the distance between them.
A.
directly proportional, inversely proportional
B.
inversely proportional, directly proportional
C.
indirectly proportional, directly proportional
D.
inversely proportional, indirectly proportional Correct answer-A.
directly proportional, inversely proportional

The magnetic field that surrounds a magnet can best be described as invisible lines of force, and are
commonly referred to as:
A.
lines of flux.
B.
lines of density.
C.
lines of attraction.

, D.
lines of flux proportionality. Correct answer-A.
lines of flux.

An analog multimeter (AMM) checks for:
A.
voltage, resistance and inductance.
B.
voltage, resistance and capacitance.
C.
current, resistance and capacitance.
D.
voltage, current and resistance. Correct answer-D.
voltage, current and resistance.

An oscilloscope with two vertical inputs, is commonly referred to as a _______ oscilloscope.
A.
multi-trace
B.
dual-trace
C.
sweep trigger-trace
D.
modulation-trace Correct answer-B.
dual-trace

Voltage or potential difference is the measure of potential energy between two points in a circuit and
is commonly referred to as:
A.
voltage drop.
B.
voltage flow.
C.
difference in conduction.
D.
potential resistance. Correct answer-A.
voltage drop.

What is impedance?
A.
The resistance of a component at a given frequency
B.
The conductivity of a component at a given frequency
C.
The potential difference of a component at a given frequency
D.
The ability of a component to store a charge at a given frequency Correct answer-A.
The resistance of a component at a given frequency

A resistor has three color bands of red, brown and brown. What is the ohmic value of this resistor?
A.