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