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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. Used to quickly repair automotive wiring
induction
test light
crimp connectors & terminals
resistance
2. Should be used on all electrical repairs
conductors
ohmmeter
switch
rosin - core solder
3. Acts as remote control switch or current amplifier
primary wire
electron theory
transistor
inductive ammeter
4. Flow of electrons through a conductor
neutrons
electron theory
electricity
current
5. Extra electrons that are not locked to protons
current
crimping pliers
conductors
free electrons
6. Increase
fusible link
series circuit
amplify
transistor
7. Reads and shows two separate waveforms
waveform
dual- trace scope
harness connectors
Ohm's law
8. Contains battery - used to check for continuity
unlimited current flow
one- wire circuit
self- powered test light
power source
9. Positively charged particles
protons
trace
conventional theory
scan tool
10. Used to test components
fuse box
jumper wire
ammeter
open circuit
11. Resist the flow of electricity
inductive ammeter
crimp connectors & terminals
battery cable
insulators
12. Determined by diameter of wire's metal conductor
capacitors
secondary wire
wire size
ammeter
13. Measures amount of resistance in ohms in a cirucit or component
power source
ground wires
ohmmeter
transistor
14. Accurate display of voltage variations shown on an oscilloscope
waveform
atom
Ohm's law
conductors
15. Allows current to flow in only one direction
transistor
voltage
diode
dual- trace scope
16. Checks circuit for voltage
transistor
test light
free electrons
acid- core solder
17. Electrically operated switch - allows small dash switch to control another circuit from a distant point
series circuit
rosin - core solder
relay
fuse box
18. Used to absorb unwanted electrical pulses
scan tool
conventional theory
capacitors
induction
19. Current entering in wrong direction & diode acts as inulator
reverse biased
scan tool
closed circuit
harness connectors
20. Has more than one electrical path
parallel circuit
trace
free electrons
conductors
21. Used only in ignition system for spark plug or coil wires
magnetic field
voltmeter
rosin - core solder
secondary wire
22. Large- gauge wire capable of carrying high currents from battery to starting motor
one- wire circuit
acid- core solder
battery cable
transistor
23. Force that causes electron flow
soldering gun
switch
voltage
jumper wire
24. Slipped over outside of wire insulation - uses magnetic field around outside of wire
inductive ammeter
scan tool
one- wire circuit
protons
25. Larger gauge=smaller diameter
switch
capacitors
gauge size
protons
26. Contains fuses - circuit breakers - & flasher units for various circuits
harness connectors
oscilloscope
electrons
fuse box
27. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
integrated circuit
inductive ammeter
crimping pliers
unlimited current flow
28. Short to ground between battery and load can melt & burn wire insulation
conductors
short circuit
transistor
unlimited current flow
29. Has more than one load connected in a single electrical path
harness connectors
series circuit
inductive ammeter
transistor
30. Special substance capable of acting as conductor and insulator
semiconductor
conductors
ground wires
free electrons
31. Can cause corrosion of electrical components
circuit breaker
acid- core solder
reverse biased
conductors
32. Formula for calculating circuit voltage - current - or resistance
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183
33. Electronic measuring instrument
jumper wire
atom
harness connectors
oscilloscope
34. Used to deform the connector or terminal around the wire
battery cable
load
crimping pliers
primary wire
35. Voltmeter - ammeter - ohmmeter in one unit
multimeter
acid- core solder
short circuit
circuit breaker
36. Represent electrical components in a circuit
wiring harness
symbols
crimp connectors & terminals
multimeter
37. Outer band of an electron which holds a maximum of 8 electrons
acid- core solder
valence band
voltmeter
resistance
38. Multi- wire terminals that conect several wires together
electrons
harness connectors
wire size
rosin - core solder
39. Circuit is complete and operational
current
closed circuit
relay
conventional theory
40. Vehicle's frame/body serves as an electrical conductor
ammeter
one- wire circuit
electrons
current
41. Negatively charged particles
electrons
scan tool
inductive ammeter
transistor
42. Movement of electrons from atom to atom
insulators
electricity
series circuit
conductors
43. Current entering in correct direction & diode acts as conductor
conductors
acid- core solder
gauge size
foward biased
44. Accidental low- resistance connection resulting in excessive current flow
inductive ammeter
waveform
short circuit
wiring harness
45. Measures amount of voltage in a circuit
reverse biased
capacitors
protons
voltmeter
46. Supplies electricity for circuit
capacitors
power source
valence band
multimeter
47. Small wire that carries battery or alternator voltage
primary wire
relay
induction
magnetic field
48. Measures amount of current in a circuit
Ohm's law
ammeter
conductors
crimping pliers
49. Electric current generated when a wire passes through a magnetic field
primary wire
free electrons
induction
amplify
50. Have atoms that allow the flow of electrons
conductors
closed circuit
conventional theory
free electrons