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