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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. Electrically operated switch - allows small dash switch to control another circuit from a distant point
series circuit
open circuit
relay
ohmmeter
2. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
fuse box
integrated circuit
dual- trace scope
circuit breaker
3. Disconnects power source from circuit when current becomes too high
circuit breaker
soldering gun
conventional theory
dual- trace scope
4. Determined by diameter of wire's metal conductor
wire size
trace
electricity
current
5. Diagnostic tool used to find and diagnose vehicle problems
ammeter
amplify
scan tool
test light
6. Acts as remote control switch or current amplifier
magnetic field
transistor
circuit breaker
waveform
7. Flow of electrons through a conductor
atom
acid- core solder
power source
current
8. Supplies electricity for circuit
multimeter
power source
test light
dual- trace scope
9. Contains battery - used to check for continuity
current
battery cable
trace
self- powered test light
10. States that current flows from positive to negative
symbols
secondary wire
crimping pliers
electron theory
11. Represent electrical components in a circuit
self- powered test light
symbols
foward biased
crimp connectors & terminals
12. Shows how electrical components are connected by wires
ground wires
magnetic field
wiring diagram
switch
13. Positively charged particles
foward biased
protons
transistor
one- wire circuit
14. Have no charge
harness connectors
neutrons
switch
reverse biased
15. Accurate display of voltage variations shown on an oscilloscope
waveform
conductors
wiring diagram
soldering gun
16. Current entering in wrong direction & diode acts as inulator
reverse biased
crimping pliers
parallel circuit
electron theory
17. Circuit is broken and nonoperational
inductive ammeter
test light
open circuit
ohmmeter
18. Measures amount of voltage in a circuit
voltmeter
harness connectors
conventional theory
wire size
19. Multi- wire terminals that conect several wires together
free electrons
ammeter
load
harness connectors
20. Group of wires enclosed in plastic or tape covering
wiring harness
unlimited current flow
induction
insulators
21. Used to quickly repair automotive wiring
series circuit
inductive ammeter
integrated circuit
crimp connectors & terminals
22. Has more than one electrical path
conductors
battery cable
parallel circuit
multimeter
23. Carry current between power source and load
conductors
relay
load
symbols
24. Outer band of an electron which holds a maximum of 8 electrons
self- powered test light
voltage
primary wire
valence band
25. Electical device that uses electricity
soldering gun
load
diode
insulators
26. Used to absorb unwanted electrical pulses
capacitors
switch
soldering gun
wiring diagram
27. The lines of force surrounding a permanent magnet or a moving charged particle
soldering gun
magnetic field
current
ohmmeter
28. Larger gauge=smaller diameter
open circuit
test light
gauge size
trace
29. Electronic measuring instrument
oscilloscope
induction
inductive ammeter
conductors
30. Short to ground between battery and load can melt & burn wire insulation
unlimited current flow
wire size
waveform
acid- core solder
31. Allows current to flow in only one direction
battery cable
valence band
diode
multimeter
32. Voltage readings displayed on an oscilloscope
electrons
resistance
trace
one- wire circuit
33. Used to deform the connector or terminal around the wire
electron theory
electrons
wiring diagram
crimping pliers
34. Circuit is complete and operational
harness connectors
closed circuit
Ohm's law
magnetic field
35. Movement of electrons from atom to atom
current
integrated circuit
electricity
ohmmeter
36. The opposition to current flow
protons
resistance
ground wires
secondary wire
37. Used to test components
jumper wire
unlimited current flow
series circuit
electricity
38. Resist the flow of electricity
insulators
dual- trace scope
semiconductor
harness connectors
39. Checks circuit for voltage
test light
ammeter
primary wire
scan tool
40. Used only in ignition system for spark plug or coil wires
secondary wire
scan tool
battery cable
neutrons
41. Contains fuses - circuit breakers - & flasher units for various circuits
fuse box
crimping pliers
ground wires
series circuit
42. Voltmeter - ammeter - ohmmeter in one unit
crimp connectors & terminals
gauge size
multimeter
short circuit
43. Used to permanently fasten wires to terminals or other wires
valence band
wiring diagram
reverse biased
soldering gun
44. Negatively charged particles
waveform
unlimited current flow
electrons
fusible link
45. (physics and chemistry) the smallest component of an element having the chemical properties of the element
circuit breaker
inductive ammeter
atom
one- wire circuit
46. Has more than one load connected in a single electrical path
relay
series circuit
fuse box
electron theory
47. Small wire that carries battery or alternator voltage
semiconductor
primary wire
oscilloscope
induction
48. Formula for calculating circuit voltage - current - or resistance
49. Should be used on all electrical repairs
rosin - core solder
power source
fuse box
parallel circuit
50. States that current flows from positive to negative
switch
conventional theory
fusible link
atom