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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. Accurate display of voltage variations shown on an oscilloscope
ground wires
conductors
wiring harness
waveform
2. Connect electrical components to chassis or ground of the car
valence band
ground wires
fuse box
magnetic field
3. Represent electrical components in a circuit
diode
symbols
crimp connectors & terminals
neutrons
4. Increase
magnetic field
amplify
ammeter
conductors
5. Used to deform the connector or terminal around the wire
ammeter
fusible link
crimping pliers
protons
6. Contains fuses - circuit breakers - & flasher units for various circuits
transistor
fuse box
atom
magnetic field
7. Multi- wire terminals that conect several wires together
short circuit
induction
harness connectors
load
8. Voltage readings displayed on an oscilloscope
electricity
diode
trace
amplify
9. Used to permanently fasten wires to terminals or other wires
soldering gun
amplify
load
one- wire circuit
10. Current entering in correct direction & diode acts as conductor
wiring harness
acid- core solder
foward biased
scan tool
11. Resist the flow of electricity
trace
self- powered test light
insulators
circuit breaker
12. Allows an electric circuit to be turned on or off
wiring harness
switch
series circuit
transistor
13. Electical device that uses electricity
secondary wire
inductive ammeter
load
oscilloscope
14. Disconnects power source from circuit when current becomes too high
circuit breaker
wiring diagram
open circuit
rosin - core solder
15. Measures amount of current in a circuit
test light
unlimited current flow
ammeter
wire size
16. Acts as remote control switch or current amplifier
oscilloscope
symbols
transistor
voltmeter
17. Have atoms that allow the flow of electrons
Ohm's law
conductors
transistor
voltmeter
18. Electric current generated when a wire passes through a magnetic field
capacitors
Ohm's law
multimeter
induction
19. Allows current to flow in only one direction
wiring harness
open circuit
diode
parallel circuit
20. Voltmeter - ammeter - ohmmeter in one unit
multimeter
resistance
electron theory
capacitors
21. Should be used on all electrical repairs
current
amplify
conventional theory
rosin - core solder
22. Force that causes electron flow
voltage
electricity
transistor
diode
23. Small section of wire designed to burn in half when excess current is present in circuit
harness connectors
diode
fusible link
inductive ammeter
24. Diagnostic tool used to find and diagnose vehicle problems
scan tool
parallel circuit
Ohm's law
one- wire circuit
25. Extra electrons that are not locked to protons
free electrons
transistor
jumper wire
symbols
26. Determined by diameter of wire's metal conductor
transistor
crimping pliers
test light
wire size
27. Short to ground between battery and load can melt & burn wire insulation
unlimited current flow
electron theory
power source
open circuit
28. Group of wires enclosed in plastic or tape covering
capacitors
battery cable
closed circuit
wiring harness
29. Has more than one load connected in a single electrical path
soldering gun
Ohm's law
foward biased
series circuit
30. Slipped over outside of wire insulation - uses magnetic field around outside of wire
inductive ammeter
ground wires
secondary wire
battery cable
31. Used to quickly repair automotive wiring
ammeter
crimp connectors & terminals
multimeter
short circuit
32. Measures amount of voltage in a circuit
scan tool
fusible link
relay
voltmeter
33. Electronic measuring instrument
scan tool
rosin - core solder
oscilloscope
semiconductor
34. Circuit is broken and nonoperational
wiring harness
trace
open circuit
secondary wire
35. Flow of electrons through a conductor
current
semiconductor
Ohm's law
transistor
36. Formula for calculating circuit voltage - current - or resistance
37. Negatively charged particles
electrons
symbols
atom
induction
38. States that current flows from positive to negative
soldering gun
ohmmeter
electron theory
capacitors
39. Large- gauge wire capable of carrying high currents from battery to starting motor
load
circuit breaker
magnetic field
battery cable
40. Outer band of an electron which holds a maximum of 8 electrons
parallel circuit
valence band
jumper wire
relay
41. Accidental low- resistance connection resulting in excessive current flow
gauge size
current
short circuit
harness connectors
42. Has more than one electrical path
fuse box
open circuit
valence band
parallel circuit
43. (physics and chemistry) the smallest component of an element having the chemical properties of the element
free electrons
self- powered test light
atom
relay
44. Supplies electricity for circuit
power source
inductive ammeter
open circuit
one- wire circuit
45. Contains battery - used to check for continuity
self- powered test light
open circuit
crimping pliers
fuse box
46. The opposition to current flow
resistance
amplify
wiring harness
trace
47. Measures amount of resistance in ohms in a cirucit or component
ohmmeter
gauge size
harness connectors
test light
48. Positively charged particles
diode
fuse box
power source
protons
49. Used to test components
integrated circuit
jumper wire
one- wire circuit
ammeter
50. Carry current between power source and load
fusible link
conductors
trace
oscilloscope