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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. Used to permanently fasten wires to terminals or other wires
scan tool
soldering gun
ground wires
switch
2. Represent electrical components in a circuit
symbols
primary wire
unlimited current flow
valence band
3. Electric current generated when a wire passes through a magnetic field
wire size
induction
voltage
wiring harness
4. Supplies electricity for circuit
test light
transistor
power source
wire size
5. Used only in ignition system for spark plug or coil wires
conductors
secondary wire
multimeter
one- wire circuit
6. Have atoms that allow the flow of electrons
magnetic field
conductors
electrons
reverse biased
7. Carry current between power source and load
diode
semiconductor
conductors
ground wires
8. Vehicle's frame/body serves as an electrical conductor
voltage
power source
one- wire circuit
ohmmeter
9. Contains fuses - circuit breakers - & flasher units for various circuits
open circuit
Ohm's law
fuse box
parallel circuit
10. Flow of electrons through a conductor
primary wire
current
multimeter
magnetic field
11. Short to ground between battery and load can melt & burn wire insulation
semiconductor
free electrons
unlimited current flow
circuit breaker
12. Formula for calculating circuit voltage - current - or resistance
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13. Group of wires enclosed in plastic or tape covering
current
parallel circuit
trace
wiring harness
14. Voltmeter - ammeter - ohmmeter in one unit
multimeter
semiconductor
amplify
conventional theory
15. Used to quickly repair automotive wiring
battery cable
crimp connectors & terminals
load
magnetic field
16. Current entering in wrong direction & diode acts as inulator
reverse biased
wire size
multimeter
transistor
17. Used to absorb unwanted electrical pulses
capacitors
wiring harness
gauge size
current
18. Accurate display of voltage variations shown on an oscilloscope
secondary wire
harness connectors
waveform
semiconductor
19. Increase
switch
amplify
foward biased
crimp connectors & terminals
20. Measures amount of current in a circuit
ammeter
ground wires
trace
voltage
21. Force that causes electron flow
voltage
self- powered test light
foward biased
scan tool
22. Reads and shows two separate waveforms
reverse biased
voltage
dual- trace scope
secondary wire
23. States that current flows from positive to negative
fuse box
foward biased
electron theory
transistor
24. Small wire that carries battery or alternator voltage
wiring harness
harness connectors
waveform
primary wire
25. Disconnects power source from circuit when current becomes too high
crimping pliers
battery cable
circuit breaker
foward biased
26. Voltage readings displayed on an oscilloscope
trace
protons
multimeter
oscilloscope
27. Small section of wire designed to burn in half when excess current is present in circuit
conventional theory
load
ground wires
fusible link
28. Acts as remote control switch or current amplifier
ammeter
resistance
acid- core solder
transistor
29. Electical device that uses electricity
diode
fuse box
load
capacitors
30. Has more than one load connected in a single electrical path
relay
series circuit
electron theory
conductors
31. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
neutrons
crimp connectors & terminals
integrated circuit
insulators
32. The lines of force surrounding a permanent magnet or a moving charged particle
integrated circuit
magnetic field
power source
short circuit
33. Used to test components
amplify
wire size
secondary wire
jumper wire
34. Special substance capable of acting as conductor and insulator
inductive ammeter
semiconductor
switch
protons
35. Large- gauge wire capable of carrying high currents from battery to starting motor
valence band
trace
Ohm's law
battery cable
36. The opposition to current flow
self- powered test light
diode
resistance
transistor
37. Allows an electric circuit to be turned on or off
switch
neutrons
semiconductor
foward biased
38. Accidental low- resistance connection resulting in excessive current flow
short circuit
jumper wire
series circuit
load
39. Circuit is broken and nonoperational
free electrons
transistor
open circuit
primary wire
40. Current entering in correct direction & diode acts as conductor
inductive ammeter
magnetic field
oscilloscope
foward biased
41. Determined by diameter of wire's metal conductor
oscilloscope
electron theory
wire size
dual- trace scope
42. Allows current to flow in only one direction
crimping pliers
diode
circuit breaker
closed circuit
43. (physics and chemistry) the smallest component of an element having the chemical properties of the element
integrated circuit
atom
circuit breaker
secondary wire
44. Contains battery - used to check for continuity
self- powered test light
electrons
integrated circuit
wire size
45. Used to deform the connector or terminal around the wire
crimping pliers
self- powered test light
short circuit
electricity
46. Diagnostic tool used to find and diagnose vehicle problems
scan tool
rosin - core solder
resistance
power source
47. Shows how electrical components are connected by wires
symbols
wiring diagram
conductors
protons
48. Electrically operated switch - allows small dash switch to control another circuit from a distant point
relay
trace
test light
foward biased
49. Outer band of an electron which holds a maximum of 8 electrons
inductive ammeter
fuse box
valence band
wire size
50. Negatively charged particles
battery cable
electrons
fusible link
conventional theory