CETa EXAM AND PRACTICE EXAM ACTUAL EXAM 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A

CETa EXAM AND PRACTICE EXAM 2023-2024 ACTUAL

EXAM 300 QUESTIONS AND CORRECT DETAILED ANSWERS

WITH RATIONALES (VERIFIED ANSWERS) |ALREADY

GRADED A

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 - 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. - 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 - 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. - 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. - 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 - 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. - 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 - 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.

205 Ohms

B.

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