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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. Force that causes electron flow
circuit breaker
conductors
multimeter
voltage
2. Current entering in wrong direction & diode acts as inulator
reverse biased
ground wires
conventional theory
open circuit
3. Contains battery - used to check for continuity
valence band
self- powered test light
insulators
scan tool
4. Shows how electrical components are connected by wires
wiring diagram
soldering gun
capacitors
valence band
5. Have no charge
conductors
wiring harness
neutrons
electron theory
6. Electronic measuring instrument
transistor
semiconductor
oscilloscope
fuse box
7. Short to ground between battery and load can melt & burn wire insulation
unlimited current flow
insulators
acid- core solder
gauge size
8. Can cause corrosion of electrical components
acid- core solder
inductive ammeter
conductors
power source
9. Has more than one load connected in a single electrical path
conductors
wire size
closed circuit
series circuit
10. Disconnects power source from circuit when current becomes too high
electrons
circuit breaker
primary wire
self- powered test light
11. Small wire that carries battery or alternator voltage
ammeter
primary wire
atom
closed circuit
12. Used to test components
inductive ammeter
jumper wire
electron theory
oscilloscope
13. Used to quickly repair automotive wiring
relay
self- powered test light
crimp connectors & terminals
electrons
14. Supplies electricity for circuit
harness connectors
symbols
ground wires
power source
15. Formula for calculating circuit voltage - current - or resistance
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16. Small section of wire designed to burn in half when excess current is present in circuit
fusible link
acid- core solder
resistance
power source
17. Extra electrons that are not locked to protons
power source
integrated circuit
voltage
free electrons
18. Represent electrical components in a circuit
symbols
voltage
fusible link
foward biased
19. Positively charged particles
trace
free electrons
switch
protons
20. Vehicle's frame/body serves as an electrical conductor
one- wire circuit
open circuit
scan tool
crimping pliers
21. Checks circuit for voltage
test light
open circuit
jumper wire
electron theory
22. Increase
amplify
jumper wire
dual- trace scope
electricity
23. The lines of force surrounding a permanent magnet or a moving charged particle
inductive ammeter
primary wire
magnetic field
wire size
24. Larger gauge=smaller diameter
insulators
gauge size
oscilloscope
scan tool
25. Circuit is complete and operational
wiring harness
battery cable
waveform
closed circuit
26. Used to absorb unwanted electrical pulses
closed circuit
capacitors
inductive ammeter
conventional theory
27. Measures amount of voltage in a circuit
multimeter
resistance
reverse biased
voltmeter
28. Used to permanently fasten wires to terminals or other wires
amplify
battery cable
power source
soldering gun
29. Multi- wire terminals that conect several wires together
harness connectors
insulators
jumper wire
resistance
30. Negatively charged particles
battery cable
fusible link
transistor
electrons
31. Measures amount of resistance in ohms in a cirucit or component
fuse box
ohmmeter
wiring harness
transistor
32. The opposition to current flow
relay
resistance
fuse box
ohmmeter
33. Flow of electrons through a conductor
switch
free electrons
fusible link
current
34. Resist the flow of electricity
wire size
insulators
amplify
test light
35. Should be used on all electrical repairs
switch
dual- trace scope
rosin - core solder
integrated circuit
36. Used only in ignition system for spark plug or coil wires
primary wire
fuse box
secondary wire
wiring harness
37. Current entering in correct direction & diode acts as conductor
foward biased
transistor
series circuit
trace
38. Slipped over outside of wire insulation - uses magnetic field around outside of wire
wire size
test light
inductive ammeter
electricity
39. Used to deform the connector or terminal around the wire
valence band
power source
waveform
crimping pliers
40. States that current flows from positive to negative
transistor
electron theory
induction
protons
41. Movement of electrons from atom to atom
electricity
crimping pliers
circuit breaker
rosin - core solder
42. Group of wires enclosed in plastic or tape covering
primary wire
wiring harness
inductive ammeter
conductors
43. Outer band of an electron which holds a maximum of 8 electrons
reverse biased
trace
valence band
conductors
44. Accidental low- resistance connection resulting in excessive current flow
switch
amplify
multimeter
short circuit
45. States that current flows from positive to negative
conventional theory
rosin - core solder
parallel circuit
oscilloscope
46. Have atoms that allow the flow of electrons
conductors
relay
protons
reverse biased
47. Carry current between power source and load
parallel circuit
conventional theory
insulators
conductors
48. Allows an electric circuit to be turned on or off
amplify
conductors
switch
multimeter
49. Voltage readings displayed on an oscilloscope
oscilloscope
trace
inductive ammeter
series circuit
50. Electical device that uses electricity
integrated circuit
switch
foward biased
load