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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. Voltage readings displayed on an oscilloscope
test light
wiring diagram
trace
amplify
2. Positively charged particles
short circuit
battery cable
protons
ohmmeter
3. States that current flows from positive to negative
electron theory
diode
magnetic field
wiring diagram
4. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
amplify
integrated circuit
closed circuit
scan tool
5. Short to ground between battery and load can melt & burn wire insulation
capacitors
voltage
wiring diagram
unlimited current flow
6. Circuit is broken and nonoperational
conductors
electrons
insulators
open circuit
7. Used only in ignition system for spark plug or coil wires
crimping pliers
parallel circuit
secondary wire
capacitors
8. Resist the flow of electricity
circuit breaker
jumper wire
insulators
voltmeter
9. Connect electrical components to chassis or ground of the car
conductors
battery cable
wiring diagram
ground wires
10. Small wire that carries battery or alternator voltage
primary wire
electrons
protons
voltmeter
11. Larger gauge=smaller diameter
load
circuit breaker
gauge size
amplify
12. Has more than one load connected in a single electrical path
short circuit
conventional theory
load
series circuit
13. Have atoms that allow the flow of electrons
one- wire circuit
conventional theory
wiring diagram
conductors
14. Supplies electricity for circuit
test light
reverse biased
unlimited current flow
power source
15. The opposition to current flow
diode
load
scan tool
resistance
16. Negatively charged particles
power source
dual- trace scope
electrons
self- powered test light
17. Determined by diameter of wire's metal conductor
protons
parallel circuit
wire size
conventional theory
18. Have no charge
fuse box
neutrons
rosin - core solder
ammeter
19. Disconnects power source from circuit when current becomes too high
voltage
circuit breaker
secondary wire
neutrons
20. Group of wires enclosed in plastic or tape covering
wiring harness
open circuit
load
dual- trace scope
21. Formula for calculating circuit voltage - current - or resistance
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183
22. Used to quickly repair automotive wiring
series circuit
crimp connectors & terminals
battery cable
protons
23. Contains fuses - circuit breakers - & flasher units for various circuits
ground wires
fuse box
wiring diagram
insulators
24. Multi- wire terminals that conect several wires together
foward biased
magnetic field
harness connectors
diode
25. Special substance capable of acting as conductor and insulator
semiconductor
induction
reverse biased
parallel circuit
26. Checks circuit for voltage
current
foward biased
test light
conductors
27. Movement of electrons from atom to atom
crimp connectors & terminals
electrons
relay
electricity
28. (physics and chemistry) the smallest component of an element having the chemical properties of the element
magnetic field
atom
harness connectors
soldering gun
29. Electrically operated switch - allows small dash switch to control another circuit from a distant point
integrated circuit
relay
electrons
ohmmeter
30. Large- gauge wire capable of carrying high currents from battery to starting motor
battery cable
semiconductor
power source
wire size
31. Electical device that uses electricity
induction
load
acid- core solder
conventional theory
32. Reads and shows two separate waveforms
dual- trace scope
insulators
trace
fuse box
33. Allows an electric circuit to be turned on or off
rosin - core solder
load
conventional theory
switch
34. Shows how electrical components are connected by wires
conductors
amplify
induction
wiring diagram
35. Vehicle's frame/body serves as an electrical conductor
semiconductor
magnetic field
one- wire circuit
conductors
36. Allows current to flow in only one direction
electricity
jumper wire
diode
atom
37. Contains battery - used to check for continuity
Ohm's law
one- wire circuit
self- powered test light
waveform
38. Voltmeter - ammeter - ohmmeter in one unit
multimeter
power source
short circuit
fuse box
39. Outer band of an electron which holds a maximum of 8 electrons
free electrons
conventional theory
valence band
foward biased
40. Increase
series circuit
circuit breaker
amplify
electron theory
41. Accidental low- resistance connection resulting in excessive current flow
wire size
short circuit
primary wire
resistance
42. Force that causes electron flow
voltage
fuse box
voltmeter
primary wire
43. Small section of wire designed to burn in half when excess current is present in circuit
one- wire circuit
induction
fusible link
transistor
44. Measures amount of voltage in a circuit
multimeter
free electrons
jumper wire
voltmeter
45. Electronic measuring instrument
oscilloscope
acid- core solder
fuse box
resistance
46. Acts as remote control switch or current amplifier
electrons
resistance
symbols
transistor
47. Flow of electrons through a conductor
transistor
insulators
ohmmeter
current
48. Carry current between power source and load
conductors
one- wire circuit
reverse biased
fuse box
49. Current entering in correct direction & diode acts as conductor
foward biased
trace
wire size
battery cable
50. Measures amount of current in a circuit
closed circuit
insulators
ammeter
primary wire