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Test your basic knowledge |
Basic Electricity And Electronics
Start Test
Study First
Subject
:
engineering
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. The lines of force surrounding a permanent magnet or a moving charged particle
magnetic field
crimping pliers
wire size
jumper wire
2. Electrically operated switch - allows small dash switch to control another circuit from a distant point
magnetic field
soldering gun
relay
induction
3. Determined by diameter of wire's metal conductor
semiconductor
wire size
waveform
ground wires
4. Shows how electrical components are connected by wires
wiring diagram
capacitors
acid- core solder
switch
5. Group of wires enclosed in plastic or tape covering
free electrons
circuit breaker
wiring harness
jumper wire
6. Current entering in wrong direction & diode acts as inulator
induction
conventional theory
reverse biased
rosin - core solder
7. Slipped over outside of wire insulation - uses magnetic field around outside of wire
reverse biased
wire size
inductive ammeter
soldering gun
8. Large- gauge wire capable of carrying high currents from battery to starting motor
battery cable
acid- core solder
relay
secondary wire
9. Circuit is broken and nonoperational
amplify
waveform
voltmeter
open circuit
10. Circuit is complete and operational
unlimited current flow
waveform
closed circuit
atom
11. Small wire that carries battery or alternator voltage
semiconductor
scan tool
primary wire
harness connectors
12. Reads and shows two separate waveforms
semiconductor
circuit breaker
dual- trace scope
open circuit
13. Measures amount of current in a circuit
ammeter
power source
neutrons
wiring harness
14. Supplies electricity for circuit
symbols
capacitors
power source
semiconductor
15. Accidental low- resistance connection resulting in excessive current flow
dual- trace scope
closed circuit
waveform
short circuit
16. Disconnects power source from circuit when current becomes too high
closed circuit
dual- trace scope
series circuit
circuit breaker
17. Extra electrons that are not locked to protons
integrated circuit
free electrons
reverse biased
electricity
18. Represent electrical components in a circuit
symbols
waveform
battery cable
short circuit
19. Can cause corrosion of electrical components
acid- core solder
voltage
scan tool
wiring harness
20. Larger gauge=smaller diameter
fuse box
voltage
gauge size
secondary wire
21. Negatively charged particles
ground wires
electrons
oscilloscope
soldering gun
22. Resist the flow of electricity
symbols
unlimited current flow
insulators
atom
23. Contains battery - used to check for continuity
foward biased
voltmeter
dual- trace scope
self- powered test light
24. States that current flows from positive to negative
soldering gun
one- wire circuit
conventional theory
transistor
25. Voltmeter - ammeter - ohmmeter in one unit
wiring diagram
multimeter
semiconductor
open circuit
26. Flow of electrons through a conductor
oscilloscope
current
ammeter
protons
27. The opposition to current flow
current
atom
resistance
neutrons
28. Has more than one load connected in a single electrical path
crimp connectors & terminals
series circuit
foward biased
parallel circuit
29. Positively charged particles
protons
conventional theory
voltage
induction
30. States that current flows from positive to negative
load
electron theory
ammeter
primary wire
31. Electric current generated when a wire passes through a magnetic field
semiconductor
voltmeter
induction
inductive ammeter
32. Used to quickly repair automotive wiring
ammeter
conventional theory
free electrons
crimp connectors & terminals
33. Formula for calculating circuit voltage - current - or resistance
34. Allows an electric circuit to be turned on or off
symbols
crimping pliers
switch
short circuit
35. Used to test components
jumper wire
soldering gun
wiring harness
primary wire
36. Special substance capable of acting as conductor and insulator
semiconductor
fuse box
self- powered test light
harness connectors
37. Force that causes electron flow
unlimited current flow
relay
battery cable
voltage
38. Acts as remote control switch or current amplifier
primary wire
transistor
wiring harness
series circuit
39. Diagnostic tool used to find and diagnose vehicle problems
scan tool
short circuit
ammeter
conductors
40. Have atoms that allow the flow of electrons
dual- trace scope
conductors
symbols
integrated circuit
41. Current entering in correct direction & diode acts as conductor
voltage
dual- trace scope
capacitors
foward biased
42. Has more than one electrical path
electrons
parallel circuit
inductive ammeter
crimping pliers
43. Measures amount of voltage in a circuit
wire size
voltmeter
load
wiring diagram
44. Allows current to flow in only one direction
diode
symbols
resistance
capacitors
45. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
valence band
parallel circuit
unlimited current flow
integrated circuit
46. Short to ground between battery and load can melt & burn wire insulation
unlimited current flow
switch
insulators
self- powered test light
47. Small section of wire designed to burn in half when excess current is present in circuit
scan tool
inductive ammeter
protons
fusible link
48. Have no charge
insulators
neutrons
ammeter
rosin - core solder
49. Increase
load
magnetic field
amplify
acid- core solder
50. Multi- wire terminals that conect several wires together
conventional theory
series circuit
harness connectors
voltmeter