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. If the fourth color band is gold - this means the measured value of the resistance is what percent of the marked value?
Energy
Produce heat - light - or limit current to control it(all of the above)
Parallel
5%

2. What is a characteristic of insulators?
A material capable of carrying an electric current Silver - Copper - and Aluminum(Both A and C)
A coil of wire that: carries current - has a magnetic field inside - and can have a bar of steel inside
High dielectric and mechanical strength - tempurature and moisture resistance - flexible(All of the above)
By their covering

3. What is a conductor?
A material capable of carrying an electric current Silver - Copper - and Aluminum(Both A and C)
Solenoid and Relay(both A and B)
Serial
The direction of the magnetic field

4. 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
Chemical action
Voltmeter
75 Ohms
Bare - covered - insulated - stranded - cable(All of the above)

5. What is a common form used in conductors?
Cables
The direction of the magnetic field
Circular and square mills(Both A and B)
From the negative battery terminal to the positive terminal

6. What results when current is run through a material with high resistance?
Heat and current control(both a and c)
75 Ohms
Gauge number
Magnetic properties

7. What is the term for doing work at the rate of joule per second?
Opposition to electrical current
10%
Lifting devices - chucks and clutches - brakes and pulleys(all of the above)
1 watt

8. What is the fundamental property of insulators?
Insulation resistance and Dielectric strength(Both A and B)
Voltage
Gauge number
Resistance increases as the conductor length increases

9. What does an object have if a magnetic field acts on it?
The relationship of potential difference to current
Magnetic properties
Does not move
Direction of: electric charge - magnetic field - force of the moving charge(all of the above)

10. What is produced when an alternator rotates 360 electrical degrees through a magnetic field?
Battery
Amperes
Secondary cell
Alternating current

11. When reading resistance color codes - what does the fourth band indicate?
Cables
Area and spacing of capacitor - static current in the capacitor(both A and B)
Common - not rechargable - gradually discharges when in storage(All of the above)
Tolerence

12. Identify the blueprint symbol for capacitors.
Means to maintain a potential difference - means to generate spark - spark in a flammable atmosphere(all of the above)
Electromagnetic field
Symbol
Breakdown voltage

13. How many kinds of poles do magnets have?
Parallel circuit
Two
Lifting devices - chucks and clutches - brakes and pulleys(all of the above)
When current starts and stops flowing - when an inductor is in the circuit(Both A and B)

14. A resistor is color coded brown - green - orange. What is its resistance?
Volts
15 -000 ohms - 20%
Series circuit
A material capable of carrying an electric current Silver - Copper - and Aluminum(Both A and C)

15. What is the name for electrical resistance of insulation?
Ability to store an electric charge
Chemical action - electromagnetism - contact - heat - light - deformation(all of the above)
Insulation resistance
Choke

16. What is a characteristic of a fixed resistor?
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)
A difference in potential energy
Means to maintain a potential difference - means to generate spark - spark in a flammable atmosphere(all of the above)
Resistance value can not be changed

17. What is a common measure of wire diameter?
High dielectric and mechanical strength - tempurature and moisture resistance - flexible(All of the above)
Gauge number
First digit
Start with the band on the end and read to the center

18. What do transducers do in electrical terms?
Opposes any change in the current flowing in a circuit
Use an effect to produce another effect
Cables
Bare - covered - insulated - stranded - cable(All of the above)

19. What does a first band of white mean?
Does not move
Means to maintain a potential difference - means to generate spark - spark in a flammable atmosphere(all of the above)
First digit is 9
Opposes any change in the current flowing in a circuit

20. What is dielectric strength?
20%
How much potential difference can a material withstand before breaking down
Heat and current control(both a and c)
Does not move

21. What is the relationship of conductor size and length to resistance?
Resistance increases as the conductor length increases
American wire gauge(AWG)
Cables
Opposes any change in the current flowing in a circuit

22. What is another name for an inductor?
Silver
A difference in potential energy
Common - not rechargable - gradually discharges when in storage(All of the above)
Choke

23. What is a property of inductors in electrical circuits?
Opposes any change in the current flowing in a circuit
Choke
Ability to store an electric charge
Ohms

24. What is 'difference in potential(potential difference) - per unit of charge - between two points'?
Voltage
Battery
First digit
How much potential difference can a material withstand before breaking down

25. Identify the blueprint symbol for resistors.
First digit is 9
Energy
Serial
--^V^V^V^---

26. In most applications - what remains constant if the current remains constant and flows in one direction?
Electromagnetic field
Means to maintain a potential difference - means to generate spark - spark in a flammable atmosphere(all of the above)
75 Ohms
--^V^V^V^---

27. What does static electricity do?
High resistance
Does not move
Series circuit
Stores electrical charge

28. What is a rigid metal conduit?
1/1000th of an inch
Physical protection for conductors - Grounding for conductors - Concealment for conductors(all of the above)
Bare - covered - insulated - stranded - cable(All of the above)
Potential difference - E*I - current times current change from point to point(all of the above)

29. The generator is what method of creating potential energy?
Choke
Electromagnetism
Evenly over the surface of a sphere and concentrated on points of objects(both A and C)
Solenoid and Relay(both A and B)

30. What makes electrons flow?
Cells can be connected together to make a battery
American wire gauge(AWG)
Potential difference
A coil of wire that: carries current - has a magnetic field inside - and can have a bar of steel inside

31. Identify the general blueprint symbol for inductors.
From the negative battery terminal to the positive terminal
Wire splices
Symbol
Cell

32. What are the common units of measurement for round and square conductor cross - sections?
Circular and square mills(Both A and B)
Direction of: electric charge - magnetic field - force of the moving charge(all of the above)
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)
Ohms

33. How are the capacitors connected when the combined capacitance equals a sum of all the capacitors?
Volts
Electrical resistance against the flow of current
A difference in potential energy
Parallel

34. What do we call the process of replacement of vapor above a liquid with a nonflammable gas?
Silver
Purging
Alternating current
Choke

35. What is resistance in electrical terms?
Chemical action
Opposition to electrical current
Evenly over the surface of a sphere and concentrated on points of objects(both A and C)
The direction of the magnetic field

36. When does a DC circuit oppose current flow?
Breakdown voltage
High resistance
Serial
When current starts and stops flowing - when an inductor is in the circuit(Both A and B)

37. Which type of cell can be recharged?
Evenly over the surface of a sphere and concentrated on points of objects(both A and C)
1 watt
Battery
Secondary cell

38. What does resistance produce?
Heat
5%
Relationship between current and potential difference
A material capable of carrying an electric current Silver - Copper - and Aluminum(Both A and C)

39. What type of circuit has two or more paths for current to follow?
Battery
Parallel circuit
Produce heat - light - or limit current to control it(all of the above)
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)

40. What does a moving charge produce?
Resistance value can not be changed
Magnetic properties
Choke
A magnetic field

41. What is a switch that operates by electricity?
Heat and current control(both a and c)
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)
Relay
Unlike poles attract

42. What is the term for two or more cells attached together?
1/1000th of an inch
Battery
Area and spacing of capacitor - static current in the capacitor(both A and B)
Ability to store an electric charge

43. What is the measure of potential difference?
Cell
The relationship of potential difference to current
Battery
Volts

44. What is true about a dry cell?
Use an effect to produce another effect
Common - not rechargable - gradually discharges when in storage(All of the above)
1 watt
High resistance

45. What is the purpose of resistors in electrical circuits?
Fixed - Electrolytic - Variable(all of the above)
Breakdown voltage
Insulation resistance and Dielectric strength(Both A and B)
Produce heat - light - or limit current to control it(all of the above)

46. 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)
Composition of the resistor
Lifting devices - chucks and clutches - brakes and pulleys(all of the above)
Chemical action

47. If the fourth color band is missing - this means the measured value of the resistance is what percent of the marked value?
Physical protection for conductors - Grounding for conductors - Concealment for conductors(all of the above)
Relay
Circular and square mills(Both A and B)
20%

48. Which material has the lowest resistance at ordinary temperatures?
Silver
Area and spacing of capacitor - static current in the capacitor(both A and B)
DC flows continuously in one direction and AC potential difference and current both change direction
Electromagnetic field

49. What is the unit of measurement of electrical current?
Volts
15 -000 ohms - 20%
Relationship between current and potential difference
Amperes

50. Which of the following is a type of resistor?
Lifting devices - chucks and clutches - brakes and pulleys(all of the above)
Volts
10%
Fixed - tapped - variable(all of the above)

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

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