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