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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. Current entering in correct direction & diode acts as conductor
foward biased
relay
dual- trace scope
conventional theory
2. Flow of electrons through a conductor
closed circuit
relay
gauge size
current
3. Formula for calculating circuit voltage - current - or resistance
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4. Electrically operated switch - allows small dash switch to control another circuit from a distant point
relay
induction
ammeter
scan tool
5. Negatively charged particles
electrons
switch
protons
multimeter
6. Small section of wire designed to burn in half when excess current is present in circuit
amplify
free electrons
open circuit
fusible link
7. Multi- wire terminals that conect several wires together
open circuit
harness connectors
reverse biased
electricity
8. Extra electrons that are not locked to protons
free electrons
crimping pliers
dual- trace scope
electricity
9. Slipped over outside of wire insulation - uses magnetic field around outside of wire
conductors
reverse biased
load
inductive ammeter
10. Voltmeter - ammeter - ohmmeter in one unit
closed circuit
self- powered test light
multimeter
protons
11. Acts as remote control switch or current amplifier
transistor
foward biased
ground wires
capacitors
12. Accurate display of voltage variations shown on an oscilloscope
waveform
conventional theory
current
open circuit
13. Current entering in wrong direction & diode acts as inulator
reverse biased
atom
free electrons
induction
14. Represent electrical components in a circuit
load
circuit breaker
unlimited current flow
symbols
15. Group of wires enclosed in plastic or tape covering
circuit breaker
wiring harness
soldering gun
reverse biased
16. The opposition to current flow
resistance
conventional theory
circuit breaker
electrons
17. Used to permanently fasten wires to terminals or other wires
primary wire
electricity
soldering gun
harness connectors
18. Used only in ignition system for spark plug or coil wires
secondary wire
ground wires
voltage
current
19. Diagnostic tool used to find and diagnose vehicle problems
harness connectors
relay
scan tool
waveform
20. Electical device that uses electricity
open circuit
multimeter
self- powered test light
load
21. Connect electrical components to chassis or ground of the car
capacitors
foward biased
ground wires
secondary wire
22. Electric current generated when a wire passes through a magnetic field
waveform
induction
conventional theory
electron theory
23. Have no charge
test light
wire size
harness connectors
neutrons
24. Has more than one load connected in a single electrical path
conductors
series circuit
current
conductors
25. Positively charged particles
power source
trace
protons
magnetic field
26. States that current flows from positive to negative
electron theory
integrated circuit
waveform
valence band
27. Used to absorb unwanted electrical pulses
unlimited current flow
capacitors
gauge size
protons
28. Increase
Ohm's law
ohmmeter
amplify
circuit breaker
29. Should be used on all electrical repairs
open circuit
rosin - core solder
free electrons
soldering gun
30. Disconnects power source from circuit when current becomes too high
protons
dual- trace scope
switch
circuit breaker
31. The lines of force surrounding a permanent magnet or a moving charged particle
primary wire
resistance
magnetic field
current
32. Short to ground between battery and load can melt & burn wire insulation
relay
unlimited current flow
conductors
waveform
33. Measures amount of voltage in a circuit
inductive ammeter
relay
ammeter
voltmeter
34. Checks circuit for voltage
electricity
test light
soldering gun
gauge size
35. Movement of electrons from atom to atom
electrons
amplify
secondary wire
electricity
36. Allows current to flow in only one direction
diode
one- wire circuit
ohmmeter
battery cable
37. Determined by diameter of wire's metal conductor
wire size
self- powered test light
oscilloscope
transistor
38. Used to quickly repair automotive wiring
capacitors
switch
load
crimp connectors & terminals
39. Supplies electricity for circuit
transistor
multimeter
foward biased
power source
40. Large- gauge wire capable of carrying high currents from battery to starting motor
closed circuit
scan tool
voltage
battery cable
41. Contains battery - used to check for continuity
inductive ammeter
primary wire
self- powered test light
soldering gun
42. Can cause corrosion of electrical components
resistance
valence band
electrons
acid- core solder
43. Carry current between power source and load
conductors
harness connectors
fusible link
battery cable
44. Vehicle's frame/body serves as an electrical conductor
magnetic field
symbols
one- wire circuit
capacitors
45. Small wire that carries battery or alternator voltage
acid- core solder
resistance
primary wire
Ohm's law
46. Resist the flow of electricity
multimeter
wiring harness
insulators
rosin - core solder
47. Used to test components
amplify
power source
jumper wire
fusible link
48. Larger gauge=smaller diameter
trace
power source
neutrons
gauge size
49. States that current flows from positive to negative
conventional theory
one- wire circuit
fuse box
trace
50. Has more than one electrical path
inductive ammeter
scan tool
parallel circuit
insulators