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