Docsity
Docsity

Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity


Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan


Guidelines and tips
Guidelines and tips

Electronics ETA Certification Practice Exam Questions and Answers, Exams of Medicine

A set of practice exam questions and answers related to electronics eta certification. It covers various topics including static electricity, atoms and molecules, electrical energy, magnetism, safety precautions, electrical components, ohm's law, and basic electrical circuits. The questions are multiple-choice format, offering a valuable resource for students preparing for the electronics eta certification exam.

Typology: Exams

2024/2025

Available from 01/24/2025

WINGS_TO-FLY
WINGS_TO-FLY 🇺🇸

1

(1)

1.1K documents

1 / 11

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Electronics ETA Certification Practice
Exam Questions and Answers 100%
Correct
The "triboelectric effect" causes what kind of electricity? ✔✔Static
The law of static electrical charges states: ✔✔like charges repel
Minute particles that make up all possible elements and still retain the unique chemical
characteristics of the element are called _____________. ✔✔Atoms
A molecule is the smallest particle of matter that can exist by itself. (1) ✔✔True (1)
A basic atom must contain what two types of subatomic particles? ✔✔Electron and proton
An electron has _______________. ✔✔a Negative charge
What two types of energy are used throughout electronics? ✔✔Kinetic and potential
pf3
pf4
pf5
pf8
pf9
pfa

Partial preview of the text

Download Electronics ETA Certification Practice Exam Questions and Answers and more Exams Medicine in PDF only on Docsity!

Electronics ETA Certification Practice

Exam Questions and Answers 100%

Correct

The "triboelectric effect" causes what kind of electricity? ✔✔Static

The law of static electrical charges states: ✔✔like charges repel

Minute particles that make up all possible elements and still retain the unique chemical characteristics of the element are called _____________. ✔✔Atoms

A molecule is the smallest particle of matter that can exist by itself. (1) ✔✔True (1)

A basic atom must contain what two types of subatomic particles? ✔✔Electron and proton

An electron has _______________. ✔✔a Negative charge

What two types of energy are used throughout electronics? ✔✔Kinetic and potential

Electrical direct current flowing in a wire produces a magnetic field: ✔✔at right angles to current flow

A material is magnetized when the: ✔✔domains are in alignment

A material that can be magnetized easily falls into this category: ✔✔Ferromagnetic

Invisible lines of force that surround a magnet are called ___________________. ✔✔magnetic flux lines

The pole of a magnet from which flux leaves is called the __________________. ✔✔north

_________________ force produces magnetic flux. ✔✔Magnetomotive

What class of fire extinguisher is used on an oil fire? ✔✔B

It is dangerous to use wooden handled tools around high voltage due to their ability to absorb moisture. (2) ✔✔True (2)

Which device would most likely include a light level meter? ✔✔Camera

The most common functions of a generic multimeter are _________________________. ✔✔voltmeter, ammeter and ohmmeter

Digital multimeters eliminate which of the following disadvantages of analog meters? ✔✔• Low impedance

  • Poor accuracy
  • Parallax errors

The Wheatstone bridge can be used for precision measurements of: ✔✔resistance

The ammeter setting on a multimeter indicates what type of reading? ✔✔current

A resistor with color bands of blue, gray and black has a value of _______________. ✔✔ 68 ohms 20%

A/an _____________ allows current to flow easily. ✔✔conductor

A/an _________________ stops the flow of current. ✔✔insulator

A component whose value is measured in microfarads is a: ✔✔capacitor

A component whose value is measured in ohms is a: ✔✔resistor

Switches are rated in maximum ___________ and ______________. (1) ✔✔current, voltage (1)

Fuses are rated in maximum _____________ and ______________. ✔✔current, voltage

In an electrical circuit where the voltage and resistance are known, which form of Ohm's law is used to find the circuit current? ✔✔I = E/R

A unit of energy is the: ✔✔Joule

Which symbol is used for Ohms of resistance? ✔✔Omega

Which symbol means "a change of"? ✔✔Triangle

Which metric prefix would be used to represent 1 x 10^6? ✔✔Mega

Which metric prefix would be used to represent 1 x 10^-3? ✔✔Milli

Which metric prefix would be used to represent 1 x 10^12? ✔✔Tera

________________ is a term used to describe voltage. ✔✔Electromotive force

The unit of measurement for electron flow is a(n) ____________. ✔✔ampere

A term used to describe opposition to current flow is _______________. ✔✔resistance

The basic unit of electric power is the _____________. ✔✔watt

In a linear electrical circuit, voltage and current are _______________. ✔✔directly proportional

In a series circuit, the current is _________________. ✔✔the same in all parts of the circuit

Total power in a series circuit equals the __________________. ✔✔sum of the power dissipated by each resistor

The sum of voltage drops in a series circuit: ✔✔equals the applied voltage

A decrease in the current of a series circuit can be caused by a: ✔✔resistance increase

When the resistance of a series circuit decreases, ________________________. ✔✔total current increases

If a series circuit has a current of about 15.4 mA and a source voltage of 20 V, the total resistance is approximately ____________________. ✔✔1300 ohms

Kirchhoff's first law is also know as the principle of conservation of electric charge. It states that at any point, the sum of currents flowing towards that point is equal to the sum of currents flowing away from that point. ✔✔True (4)

The total current in a series-parallel circuit equals the _____________. ✔✔applied voltage divided by the total resistance

When two 10 kΩ parallel resistors are connected in series with a third 10 kΩ

resistor, total resistance (RT) is ____________. ✔✔15 kiloohms

With 70 volts applied to two 30 kΩ

resistors in series connected to three30 kΩ

resistors in parallel forming a series-parallel circuit, what is the total current? ✔✔1 mA

If a short occurs in the parallel portion of a series-parallel circuit, how will the total resistance be affected? ✔✔It will decrease

Thevenin's Theorem states that it is possible to simplify any circuit containing any amount of voltage sources, current sources or resistances, no matter how complex, to an equivalent circuit with just a single voltage source and series resistance connected to a load. (5) ✔✔True (5)

Battery cells are connected in parallel to ________________. ✔✔increase current capacity

Battery cells are connected in series to _____________________. ✔✔increase voltage output

The output of a lead-acid cell is approximately: ✔✔2.1 V

Given a battery rated at 200 ampere-hours, how many hours will the battery be able to provide 10 amperes? ✔✔ 20