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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. Measures amount of voltage in a circuit
harness connectors
rosin - core solder
voltmeter
symbols
2. Force that causes electron flow
conductors
primary wire
voltage
capacitors
3. Acts as remote control switch or current amplifier
crimp connectors & terminals
transistor
open circuit
resistance
4. Contains fuses - circuit breakers - & flasher units for various circuits
circuit breaker
fuse box
ground wires
reverse biased
5. Current entering in correct direction & diode acts as conductor
primary wire
conductors
foward biased
electrons
6. Measures amount of current in a circuit
ammeter
circuit breaker
valence band
fuse box
7. Circuit is complete and operational
relay
induction
foward biased
closed circuit
8. Short to ground between battery and load can melt & burn wire insulation
oscilloscope
parallel circuit
current
unlimited current flow
9. Multi- wire terminals that conect several wires together
acid- core solder
soldering gun
harness connectors
reverse biased
10. Circuit is broken and nonoperational
induction
open circuit
conductors
electron theory
11. Used to permanently fasten wires to terminals or other wires
acid- core solder
voltage
secondary wire
soldering gun
12. Used to absorb unwanted electrical pulses
free electrons
insulators
capacitors
electron theory
13. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
integrated circuit
amplify
waveform
conductors
14. Increase
unlimited current flow
open circuit
amplify
current
15. Shows how electrical components are connected by wires
diode
test light
wiring diagram
power source
16. Voltmeter - ammeter - ohmmeter in one unit
multimeter
rosin - core solder
open circuit
primary wire
17. Negatively charged particles
ammeter
short circuit
electrons
fusible link
18. Can cause corrosion of electrical components
acid- core solder
electrons
atom
load
19. Formula for calculating circuit voltage - current - or resistance
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20. Used to test components
protons
wire size
parallel circuit
jumper wire
21. Connect electrical components to chassis or ground of the car
electricity
ground wires
semiconductor
fusible link
22. Measures amount of resistance in ohms in a cirucit or component
electricity
ohmmeter
amplify
magnetic field
23. Should be used on all electrical repairs
insulators
wiring diagram
rosin - core solder
soldering gun
24. Electrically operated switch - allows small dash switch to control another circuit from a distant point
ohmmeter
diode
gauge size
relay
25. The opposition to current flow
resistance
foward biased
unlimited current flow
voltage
26. Flow of electrons through a conductor
soldering gun
magnetic field
current
trace
27. Outer band of an electron which holds a maximum of 8 electrons
valence band
multimeter
neutrons
short circuit
28. Diagnostic tool used to find and diagnose vehicle problems
one- wire circuit
electricity
test light
scan tool
29. Used to quickly repair automotive wiring
atom
crimp connectors & terminals
transistor
protons
30. Extra electrons that are not locked to protons
diode
relay
acid- core solder
free electrons
31. Accurate display of voltage variations shown on an oscilloscope
self- powered test light
fuse box
waveform
harness connectors
32. Has more than one load connected in a single electrical path
unlimited current flow
ammeter
series circuit
fuse box
33. Movement of electrons from atom to atom
electricity
resistance
symbols
one- wire circuit
34. Carry current between power source and load
oscilloscope
conductors
primary wire
scan tool
35. The lines of force surrounding a permanent magnet or a moving charged particle
magnetic field
ammeter
wiring harness
waveform
36. Represent electrical components in a circuit
symbols
Ohm's law
battery cable
voltage
37. Used only in ignition system for spark plug or coil wires
secondary wire
electrons
switch
neutrons
38. Slipped over outside of wire insulation - uses magnetic field around outside of wire
diode
inductive ammeter
electricity
semiconductor
39. Accidental low- resistance connection resulting in excessive current flow
unlimited current flow
short circuit
electron theory
inductive ammeter
40. Used to deform the connector or terminal around the wire
ammeter
power source
crimping pliers
soldering gun
41. Resist the flow of electricity
scan tool
load
circuit breaker
insulators
42. Reads and shows two separate waveforms
rosin - core solder
free electrons
Ohm's law
dual- trace scope
43. Larger gauge=smaller diameter
secondary wire
free electrons
diode
gauge size
44. Allows current to flow in only one direction
conductors
jumper wire
unlimited current flow
diode
45. Have atoms that allow the flow of electrons
magnetic field
diode
ammeter
conductors
46. Voltage readings displayed on an oscilloscope
foward biased
trace
amplify
integrated circuit
47. Contains battery - used to check for continuity
self- powered test light
conductors
reverse biased
power source
48. Group of wires enclosed in plastic or tape covering
unlimited current flow
switch
atom
wiring harness
49. Have no charge
neutrons
switch
valence band
inductive ammeter
50. Current entering in wrong direction & diode acts as inulator
conventional theory
multimeter
conductors
reverse biased