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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. Shows how electrical components are connected by wires
valence band
series circuit
wiring diagram
integrated circuit
2. Short to ground between battery and load can melt & burn wire insulation
short circuit
diode
unlimited current flow
wire size
3. Outer band of an electron which holds a maximum of 8 electrons
inductive ammeter
wire size
circuit breaker
valence band
4. Voltage readings displayed on an oscilloscope
amplify
electricity
reverse biased
trace
5. Has more than one electrical path
resistance
parallel circuit
crimp connectors & terminals
harness connectors
6. Current entering in correct direction & diode acts as conductor
self- powered test light
foward biased
open circuit
series circuit
7. Checks circuit for voltage
circuit breaker
magnetic field
test light
unlimited current flow
8. Large- gauge wire capable of carrying high currents from battery to starting motor
conventional theory
multimeter
battery cable
relay
9. Allows an electric circuit to be turned on or off
switch
semiconductor
foward biased
capacitors
10. Slipped over outside of wire insulation - uses magnetic field around outside of wire
inductive ammeter
symbols
voltmeter
ground wires
11. Connect electrical components to chassis or ground of the car
one- wire circuit
ground wires
atom
voltage
12. (physics and chemistry) the smallest component of an element having the chemical properties of the element
ohmmeter
atom
diode
conventional theory
13. Supplies electricity for circuit
electron theory
atom
scan tool
power source
14. Multi- wire terminals that conect several wires together
open circuit
load
harness connectors
foward biased
15. Small section of wire designed to burn in half when excess current is present in circuit
circuit breaker
fusible link
trace
reverse biased
16. Circuit is broken and nonoperational
conventional theory
harness connectors
open circuit
test light
17. Determined by diameter of wire's metal conductor
ground wires
short circuit
electrons
wire size
18. Electric current generated when a wire passes through a magnetic field
test light
induction
one- wire circuit
conductors
19. Disconnects power source from circuit when current becomes too high
transistor
ohmmeter
circuit breaker
harness connectors
20. Special substance capable of acting as conductor and insulator
trace
series circuit
semiconductor
multimeter
21. Should be used on all electrical repairs
unlimited current flow
rosin - core solder
ohmmeter
dual- trace scope
22. Measures amount of current in a circuit
fuse box
jumper wire
load
ammeter
23. Resist the flow of electricity
amplify
electron theory
crimping pliers
insulators
24. States that current flows from positive to negative
open circuit
electron theory
Ohm's law
valence band
25. Represent electrical components in a circuit
scan tool
symbols
reverse biased
trace
26. Contains battery - used to check for continuity
self- powered test light
free electrons
short circuit
acid- core solder
27. States that current flows from positive to negative
test light
electrons
wiring diagram
conventional theory
28. Movement of electrons from atom to atom
neutrons
jumper wire
symbols
electricity
29. Increase
circuit breaker
crimp connectors & terminals
semiconductor
amplify
30. Used to absorb unwanted electrical pulses
capacitors
harness connectors
gauge size
rosin - core solder
31. Have no charge
fuse box
primary wire
free electrons
neutrons
32. The lines of force surrounding a permanent magnet or a moving charged particle
acid- core solder
magnetic field
protons
primary wire
33. Measures amount of voltage in a circuit
ammeter
reverse biased
electron theory
voltmeter
34. Used only in ignition system for spark plug or coil wires
secondary wire
test light
protons
resistance
35. Force that causes electron flow
capacitors
valence band
primary wire
voltage
36. Extra electrons that are not locked to protons
current
one- wire circuit
free electrons
jumper wire
37. Flow of electrons through a conductor
current
atom
symbols
wiring diagram
38. Can cause corrosion of electrical components
conductors
voltmeter
power source
acid- core solder
39. Acts as remote control switch or current amplifier
wiring harness
transistor
integrated circuit
test light
40. The opposition to current flow
integrated circuit
diode
resistance
test light
41. Used to quickly repair automotive wiring
Ohm's law
load
crimp connectors & terminals
open circuit
42. Positively charged particles
current
electricity
protons
load
43. Vehicle's frame/body serves as an electrical conductor
one- wire circuit
short circuit
inductive ammeter
transistor
44. Accidental low- resistance connection resulting in excessive current flow
self- powered test light
reverse biased
closed circuit
short circuit
45. Allows current to flow in only one direction
amplify
conventional theory
free electrons
diode
46. Carry current between power source and load
acid- core solder
conductors
ground wires
diode
47. Electronic measuring instrument
protons
dual- trace scope
short circuit
oscilloscope
48. Electrically operated switch - allows small dash switch to control another circuit from a distant point
relay
soldering gun
protons
ground wires
49. Formula for calculating circuit voltage - current - or resistance
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on line
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50. Accurate display of voltage variations shown on an oscilloscope
load
waveform
acid- core solder
circuit breaker
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