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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. Flow of electrons through a conductor
semiconductor
current
power source
electron theory
2. Electical device that uses electricity
load
magnetic field
relay
integrated circuit
3. Resist the flow of electricity
insulators
test light
conductors
short circuit
4. (physics and chemistry) the smallest component of an element having the chemical properties of the element
insulators
test light
series circuit
atom
5. Represent electrical components in a circuit
circuit breaker
symbols
wiring diagram
insulators
6. Multi- wire terminals that conect several wires together
closed circuit
harness connectors
self- powered test light
jumper wire
7. Can cause corrosion of electrical components
atom
acid- core solder
electron theory
secondary wire
8. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
insulators
battery cable
integrated circuit
wiring harness
9. Negatively charged particles
current
electrons
soldering gun
wiring diagram
10. Have no charge
neutrons
trace
crimp connectors & terminals
inductive ammeter
11. Group of wires enclosed in plastic or tape covering
symbols
wiring harness
battery cable
gauge size
12. Contains fuses - circuit breakers - & flasher units for various circuits
fuse box
crimping pliers
conductors
multimeter
13. Have atoms that allow the flow of electrons
protons
conductors
trace
voltage
14. Connect electrical components to chassis or ground of the car
insulators
test light
jumper wire
ground wires
15. Voltmeter - ammeter - ohmmeter in one unit
multimeter
closed circuit
ground wires
capacitors
16. Measures amount of current in a circuit
closed circuit
conductors
ammeter
valence band
17. Larger gauge=smaller diameter
gauge size
jumper wire
integrated circuit
fusible link
18. Force that causes electron flow
circuit breaker
voltage
wire size
short circuit
19. Should be used on all electrical repairs
switch
ammeter
rosin - core solder
harness connectors
20. Outer band of an electron which holds a maximum of 8 electrons
harness connectors
switch
valence band
inductive ammeter
21. Used to deform the connector or terminal around the wire
crimping pliers
soldering gun
free electrons
switch
22. Formula for calculating circuit voltage - current - or resistance
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23. Positively charged particles
inductive ammeter
valence band
dual- trace scope
protons
24. States that current flows from positive to negative
conventional theory
wiring diagram
one- wire circuit
power source
25. Current entering in wrong direction & diode acts as inulator
reverse biased
waveform
primary wire
gauge size
26. Special substance capable of acting as conductor and insulator
electricity
load
semiconductor
ohmmeter
27. Reads and shows two separate waveforms
dual- trace scope
unlimited current flow
multimeter
oscilloscope
28. Current entering in correct direction & diode acts as conductor
Ohm's law
parallel circuit
foward biased
one- wire circuit
29. Electrically operated switch - allows small dash switch to control another circuit from a distant point
transistor
circuit breaker
relay
neutrons
30. Small section of wire designed to burn in half when excess current is present in circuit
fusible link
wiring harness
scan tool
parallel circuit
31. Has more than one electrical path
parallel circuit
open circuit
conventional theory
capacitors
32. Increase
jumper wire
amplify
conductors
reverse biased
33. Large- gauge wire capable of carrying high currents from battery to starting motor
neutrons
switch
crimping pliers
battery cable
34. States that current flows from positive to negative
transistor
diode
electron theory
unlimited current flow
35. Slipped over outside of wire insulation - uses magnetic field around outside of wire
inductive ammeter
series circuit
magnetic field
ohmmeter
36. Short to ground between battery and load can melt & burn wire insulation
crimping pliers
unlimited current flow
ground wires
current
37. Allows current to flow in only one direction
wiring diagram
semiconductor
conductors
diode
38. Acts as remote control switch or current amplifier
transistor
short circuit
soldering gun
series circuit
39. Vehicle's frame/body serves as an electrical conductor
one- wire circuit
trace
multimeter
voltage
40. Measures amount of resistance in ohms in a cirucit or component
crimp connectors & terminals
ohmmeter
symbols
unlimited current flow
41. Supplies electricity for circuit
power source
conventional theory
wiring diagram
secondary wire
42. Determined by diameter of wire's metal conductor
battery cable
secondary wire
wiring diagram
wire size
43. Disconnects power source from circuit when current becomes too high
wire size
foward biased
Ohm's law
circuit breaker
44. Measures amount of voltage in a circuit
crimp connectors & terminals
voltage
voltmeter
secondary wire
45. Accurate display of voltage variations shown on an oscilloscope
inductive ammeter
waveform
induction
power source
46. Shows how electrical components are connected by wires
harness connectors
primary wire
wiring diagram
valence band
47. Small wire that carries battery or alternator voltage
electrons
electron theory
primary wire
symbols
48. Allows an electric circuit to be turned on or off
short circuit
load
switch
atom
49. Carry current between power source and load
conductors
ammeter
ground wires
fusible link
50. Electric current generated when a wire passes through a magnetic field
crimping pliers
multimeter
induction
jumper wire