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