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