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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. Slipped over outside of wire insulation - uses magnetic field around outside of wire
voltmeter
inductive ammeter
reverse biased
insulators
2. Group of wires enclosed in plastic or tape covering
induction
amplify
gauge size
wiring harness
3. Flow of electrons through a conductor
current
soldering gun
oscilloscope
conductors
4. Determined by diameter of wire's metal conductor
magnetic field
resistance
wire size
trace
5. Represent electrical components in a circuit
gauge size
ammeter
symbols
atom
6. Used only in ignition system for spark plug or coil wires
magnetic field
protons
symbols
secondary wire
7. Carry current between power source and load
neutrons
ground wires
trace
conductors
8. Special substance capable of acting as conductor and insulator
voltmeter
insulators
semiconductor
induction
9. States that current flows from positive to negative
crimping pliers
wiring diagram
wiring harness
electron theory
10. Resist the flow of electricity
ground wires
waveform
insulators
foward biased
11. Has more than one electrical path
multimeter
parallel circuit
conventional theory
wiring harness
12. Have atoms that allow the flow of electrons
conductors
foward biased
relay
test light
13. Positively charged particles
Ohm's law
wiring harness
foward biased
protons
14. Voltmeter - ammeter - ohmmeter in one unit
diode
multimeter
unlimited current flow
protons
15. Reads and shows two separate waveforms
dual- trace scope
oscilloscope
ground wires
scan tool
16. The opposition to current flow
resistance
closed circuit
free electrons
circuit breaker
17. The lines of force surrounding a permanent magnet or a moving charged particle
magnetic field
induction
rosin - core solder
valence band
18. Electical device that uses electricity
magnetic field
atom
series circuit
load
19. Extra electrons that are not locked to protons
scan tool
unlimited current flow
fusible link
free electrons
20. Checks circuit for voltage
Ohm's law
test light
inductive ammeter
diode
21. Multi- wire terminals that conect several wires together
harness connectors
conventional theory
voltmeter
battery cable
22. Disconnects power source from circuit when current becomes too high
test light
crimp connectors & terminals
circuit breaker
multimeter
23. Diagnostic tool used to find and diagnose vehicle problems
ammeter
Ohm's law
transistor
scan tool
24. Measures amount of resistance in ohms in a cirucit or component
trace
power source
free electrons
ohmmeter
25. States that current flows from positive to negative
conventional theory
electricity
one- wire circuit
atom
26. Connect electrical components to chassis or ground of the car
soldering gun
crimping pliers
wiring diagram
ground wires
27. Measures amount of current in a circuit
valence band
circuit breaker
semiconductor
ammeter
28. Voltage readings displayed on an oscilloscope
unlimited current flow
waveform
trace
neutrons
29. Current entering in wrong direction & diode acts as inulator
wiring harness
reverse biased
conventional theory
current
30. Movement of electrons from atom to atom
self- powered test light
closed circuit
electricity
oscilloscope
31. Formula for calculating circuit voltage - current - or resistance
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32. Electronic measuring instrument
ohmmeter
ammeter
oscilloscope
soldering gun
33. Large- gauge wire capable of carrying high currents from battery to starting motor
battery cable
short circuit
ground wires
conventional theory
34. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
primary wire
power source
open circuit
integrated circuit
35. Circuit is complete and operational
ground wires
protons
trace
closed circuit
36. Force that causes electron flow
gauge size
load
reverse biased
voltage
37. Contains fuses - circuit breakers - & flasher units for various circuits
conductors
fuse box
valence band
foward biased
38. Current entering in correct direction & diode acts as conductor
ohmmeter
electrons
foward biased
transistor
39. Contains battery - used to check for continuity
capacitors
rosin - core solder
voltage
self- powered test light
40. Larger gauge=smaller diameter
gauge size
battery cable
voltmeter
short circuit
41. Allows an electric circuit to be turned on or off
foward biased
switch
unlimited current flow
integrated circuit
42. Accidental low- resistance connection resulting in excessive current flow
neutrons
short circuit
current
ground wires
43. Increase
neutrons
open circuit
amplify
waveform
44. Electrically operated switch - allows small dash switch to control another circuit from a distant point
conventional theory
relay
unlimited current flow
soldering gun
45. Short to ground between battery and load can melt & burn wire insulation
induction
fuse box
electrons
unlimited current flow
46. Has more than one load connected in a single electrical path
jumper wire
crimping pliers
voltmeter
series circuit
47. Used to quickly repair automotive wiring
induction
crimp connectors & terminals
valence band
self- powered test light
48. Negatively charged particles
electrons
capacitors
acid- core solder
electron theory
49. Used to test components
closed circuit
oscilloscope
electrons
jumper wire
50. Allows current to flow in only one direction
unlimited current flow
closed circuit
neutrons
diode