Test your basic knowledge |

Basic Electricity

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is another name for an inductor?
Choke
Produce heat - light - or limit current to control it(all of the above)
Start with the band on the end and read to the center
Plastic - Rubber - Friction(all of the above)

2. When reading resistance color codes - what does the fourth band indicate?
First digit is 9
How much potential difference can a material withstand before breaking down
Tolerence
Strength of the charge

3. What do transducers do in electrical terms?
Wire splices
Electrical resistance against the flow of current
Use an effect to produce another effect
Heat and current control(both a and c)

4. How many kinds of poles do magnets have?
Two
Voltage
Fixed - tapped - variable(all of the above)
Alternating current

5. What is the unit of measurement of resistance?
Relay
1/1000th of an inch
Circular and square mills(Both A and B)
Ohms

6. Where does the thumb point in both Left-Hand Rules?
The direction the negative charge moves
A difference in potential energy
Chemical action - electromagnetism - contact - heat - light - deformation(all of the above)
Insulation resistance

7. What is the term for doing work at the rate of joule per second?
Mutual induction
When current starts and stops flowing - when an inductor is in the circuit(Both A and B)
1 watt
Opposes any change in the current flowing in a circuit

8. Which of the following is a type of resistor?
Opposition to electrical current
A coil of wire that: carries current - has a magnetic field inside - and can have a bar of steel inside
A material capable of carrying an electric current Silver - Copper - and Aluminum(Both A and C)
Fixed - tapped - variable(all of the above)

9. What is a conductor?
A material capable of carrying an electric current Silver - Copper - and Aluminum(Both A and C)
Heat and current control(both a and c)
Cables
Magnetism produces a field and the field exerts force on a moving charge - every moving electrical charge produces a magnetic field - and the magnetic field is strong when the electrical charge is strong and moves rapidly(all of the above are true)

10. What is the name for electrical resistance of insulation?
Produce heat - light - or limit current to control it(all of the above)
Common - not rechargable - gradually discharges when in storage(All of the above)
Insulation resistance
A coil of wire that: carries current - has a magnetic field inside - and can have a bar of steel inside

11. How do static charges distribute themselves?
Circular and square mills(Both A and B)
Volts
5%
Evenly over the surface of a sphere and concentrated on points of objects(both A and C)

12. Identify the general blueprint symbol for inductors.
By their covering
Voltage
Symbol
Electrical resistance against the flow of current

13. What results when current is run through a material with high resistance?
Physical protection for conductors - Grounding for conductors - Concealment for conductors(all of the above)
Two
Heat and current control(both a and c)
Insulation resistance

14. Which of the following materials is NOT a good conductor?
A coil of wire that: carries current - has a magnetic field inside - and can have a bar of steel inside
It increases or decreases the potential difference of AC electricity - It is effective with almost no loss of power - It's use- cost is very low(All of the above)
Serial
Porcelain

15. To what measurement do the conductor mills refer?
Stores electrical charge
Gauge number
1/1000th of an inch
Voltage

16. What is a characteristic of insulators?
Battery
Purging
1 watt
High dielectric and mechanical strength - tempurature and moisture resistance - flexible(All of the above)

17. What is the unit of measurement of electrical current?
Purging
Chemical action - electromagnetism - contact - heat - light - deformation(all of the above)
Heat and current control(both a and c)
Amperes

18. A resistor is color coded brown - green - orange. What is its resistance?
Electromagnetism
15 -000 ohms - 20%
Cell
Parallel

19. How are the capacitors connected when the combined capacitance equals less than the lowest- value capacitor?
A coil of wire that: carries current - has a magnetic field inside - and can have a bar of steel inside
Serial
Volts
Circular and square mills(Both A and B)

20. Identify the blueprint symbol for resistors.
20%
--^V^V^V^---
Area and spacing of capacitor - static current in the capacitor(both A and B)
To prevent Physical - Chemical to wiring - to prevent damage to people and property(all of the above)

21. What is needed for electric heating elements and the filaments of light bulbs?
High resistance
Electrical resistance against the flow of current
Electromagnetism
Ability to store an electric charge

22. What is a common form used in conductors?
Evenly over the surface of a sphere and concentrated on points of objects(both A and C)
12 volts
Heat
Cables

23. The thermocouple uses which method for creating potential energy?
Insulation resistance and Dielectric strength(Both A and B)
75 Ohms
10%
Heat

24. What is the relationship between cells and batteries?
Symbol
Secondary cell
Cells can be connected together to make a battery
Means to maintain a potential difference - means to generate spark - spark in a flammable atmosphere(all of the above)

25. Which material has the lowest resistance at ordinary temperatures?
Silver
A difference in potential energy
Means to maintain a potential difference - means to generate spark - spark in a flammable atmosphere(all of the above)
Insulation resistance and Dielectric strength(Both A and B)

26. What types of protective tapes are used?
Unlike poles attract
Plastic - Rubber - Friction(all of the above)
12 volts
Produce heat - light - or limit current to control it(all of the above)

27. Which type of cell can be recharged?
How much potential difference can a material withstand before breaking down
Cables
By their covering
Secondary cell

28. What does resistance produce?
Potential difference
Heat
Direction of: electric charge - magnetic field - force of the moving charge(all of the above)
Electrical resistance against the flow of current

29. What do junction boxes protect?
Electromagnetism
Common - not rechargable - gradually discharges when in storage(All of the above)
Ohms
Wire splices

30. When reading resistance color codes - what does the first band indicate?
Purging
First digit
Stranded
Ability to store an electric charge

31. What is resistance?
Ohms
Opposition to movement of free electrons
Potential difference
The direction the negative charge moves

32. What is a wire classification?
Bonding and grounding
1/1000th of an inch
High resistance
Bare - covered - insulated - stranded - cable(All of the above)

33. What is an electromagnet?
Ability to store an electric charge
Insulation resistance and Dielectric strength(Both A and B)
A coil of wire that: carries current - has a magnetic field inside - and can have a bar of steel inside
Voltmeter

34. Where do the fingers point in both Left-Hand Rules?
Serial
DC flows continuously in one direction and AC potential difference and current both change direction
Stranded
The direction of the magnetic field

35. What is a DC circuit characteristic?
--^V^V^V^---
Start with the band on the end and read to the center
Current flows in one direction - potential differences across a load does not change(Both A and B)
10

36. What is the unit of measurement of potential difference?
Volts
A magnetic field
Ohms
The direction of the magnetic field

37. What makes electrons flow?
A difference in potential energy
Chemical action - electromagnetism - contact - heat - light - deformation(all of the above)
Potential difference
Bonding and grounding

38. What are the names of two of the six primary methods of producing a voltage?
Chemical action - electromagnetism - contact - heat - light - deformation(all of the above)
1/1000th of an inch
Evenly over the surface of a sphere and concentrated on points of objects(both A and C)
Resistance value can not be changed

39. If the fourth color band is missing - this means the measured value of the resistance is what percent of the marked value?
20%
Silver
Symbol
1/1000th of an inch

40. What is resistance in electrical terms?
Opposition to electrical current
Stores electrical charge
Fixed - tapped - variable(all of the above)
Evenly over the surface of a sphere and concentrated on points of objects(both A and C)

41. What does a moving charge produce?
High dielectric and mechanical strength - tempurature and moisture resistance - flexible(All of the above)
A magnetic field
Stranded
The relationship of potential difference to current

42. What determines whether a spark can be produced?
Strength of the charge
Heat
Produce heat - light - or limit current to control it(all of the above)
Heat and current control(both a and c)

43. Given R=E / I and the following information - plug in the data and solve the problem for resistance. 1.5 volt walkman battery - 0.02 amps of current
75 Ohms
The direction the negative charge moves
Resistance value can not be changed
Choke

44. What is the purpose of a raceway?
Parallel circuit
50 Ohms
To prevent Physical - Chemical to wiring - to prevent damage to people and property(all of the above)
Insulation resistance and Dielectric strength(Both A and B)

45. How is capacitance determined?
Area and spacing of capacitor - static current in the capacitor(both A and B)
First digit
Direction of: electric charge - magnetic field - force of the moving charge(all of the above)
Symbol

46. What instrument measures voltage?
Symbol
Current change in a coil creates a magnetic change
Voltmeter
Electromagnetic field

47. What do we call the ability to do work?
The relationship of potential difference to current
Strength of the charge
First digit is 9
Energy

48. What is the relationship of conductor size and length to resistance?
Wire splices
Lifting devices - chucks and clutches - brakes and pulleys(all of the above)
Symbol
Resistance increases as the conductor length increases

49. What is the difference between AC and DC?
DC flows continuously in one direction and AC potential difference and current both change direction
Electromagnetic field
1 watt
Magnetic properties

50. What do we call the process of replacement of vapor above a liquid with a nonflammable gas?
Moving vehicles
Purging
Fixed - tapped - variable(all of the above)
Chemical action

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

Basic Electricity

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests