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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. Extra electrons that are not locked to protons
wiring diagram
free electrons
conductors
series circuit
2. Used only in ignition system for spark plug or coil wires
secondary wire
crimping pliers
foward biased
atom
3. Has more than one load connected in a single electrical path
series circuit
self- powered test light
current
crimping pliers
4. Reads and shows two separate waveforms
one- wire circuit
dual- trace scope
reverse biased
test light
5. Used to quickly repair automotive wiring
closed circuit
secondary wire
waveform
crimp connectors & terminals
6. Small section of wire designed to burn in half when excess current is present in circuit
ground wires
test light
fusible link
wiring diagram
7. Accidental low- resistance connection resulting in excessive current flow
trace
short circuit
resistance
conventional theory
8. Voltmeter - ammeter - ohmmeter in one unit
gauge size
current
load
multimeter
9. Contains battery - used to check for continuity
integrated circuit
induction
self- powered test light
circuit breaker
10. Group of wires enclosed in plastic or tape covering
wiring harness
power source
trace
short circuit
11. Outer band of an electron which holds a maximum of 8 electrons
power source
wiring harness
valence band
transistor
12. Larger gauge=smaller diameter
conventional theory
fuse box
ammeter
gauge size
13. Checks circuit for voltage
test light
conductors
battery cable
integrated circuit
14. (physics and chemistry) the smallest component of an element having the chemical properties of the element
atom
primary wire
crimping pliers
reverse biased
15. Diagnostic tool used to find and diagnose vehicle problems
trace
harness connectors
semiconductor
scan tool
16. The opposition to current flow
symbols
wiring diagram
oscilloscope
resistance
17. Have no charge
symbols
valence band
magnetic field
neutrons
18. Current entering in correct direction & diode acts as conductor
fuse box
wiring diagram
protons
foward biased
19. Vehicle's frame/body serves as an electrical conductor
neutrons
voltage
foward biased
one- wire circuit
20. Shows how electrical components are connected by wires
test light
atom
ohmmeter
wiring diagram
21. Circuit is complete and operational
series circuit
closed circuit
reverse biased
parallel circuit
22. Formula for calculating circuit voltage - current - or resistance
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183
23. Slipped over outside of wire insulation - uses magnetic field around outside of wire
semiconductor
inductive ammeter
resistance
primary wire
24. Has more than one electrical path
waveform
diode
parallel circuit
series circuit
25. Electrically operated switch - allows small dash switch to control another circuit from a distant point
insulators
neutrons
conductors
relay
26. Disconnects power source from circuit when current becomes too high
electricity
harness connectors
circuit breaker
neutrons
27. Accurate display of voltage variations shown on an oscilloscope
scan tool
valence band
waveform
amplify
28. Electric current generated when a wire passes through a magnetic field
switch
resistance
one- wire circuit
induction
29. Measures amount of resistance in ohms in a cirucit or component
fusible link
ohmmeter
self- powered test light
crimping pliers
30. Determined by diameter of wire's metal conductor
short circuit
Ohm's law
fuse box
wire size
31. Positively charged particles
series circuit
wiring diagram
Ohm's law
protons
32. Current entering in wrong direction & diode acts as inulator
insulators
conventional theory
voltmeter
reverse biased
33. Special substance capable of acting as conductor and insulator
self- powered test light
integrated circuit
magnetic field
semiconductor
34. States that current flows from positive to negative
transistor
primary wire
electron theory
insulators
35. Small wire that carries battery or alternator voltage
Ohm's law
primary wire
closed circuit
power source
36. Used to absorb unwanted electrical pulses
acid- core solder
capacitors
ohmmeter
electrons
37. Allows current to flow in only one direction
circuit breaker
ammeter
diode
crimp connectors & terminals
38. Used to test components
ground wires
jumper wire
secondary wire
capacitors
39. Should be used on all electrical repairs
crimp connectors & terminals
power source
rosin - core solder
free electrons
40. Circuit is broken and nonoperational
open circuit
test light
Ohm's law
harness connectors
41. Multi- wire terminals that conect several wires together
power source
harness connectors
magnetic field
one- wire circuit
42. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
relay
dual- trace scope
atom
integrated circuit
43. Acts as remote control switch or current amplifier
transistor
atom
self- powered test light
primary wire
44. The lines of force surrounding a permanent magnet or a moving charged particle
magnetic field
crimping pliers
multimeter
scan tool
45. Resist the flow of electricity
insulators
conventional theory
integrated circuit
ammeter
46. Short to ground between battery and load can melt & burn wire insulation
unlimited current flow
protons
wire size
harness connectors
47. Carry current between power source and load
insulators
secondary wire
self- powered test light
conductors
48. Measures amount of current in a circuit
acid- core solder
ammeter
circuit breaker
insulators
49. Supplies electricity for circuit
secondary wire
ammeter
reverse biased
power source
50. Flow of electrons through a conductor
wiring harness
oscilloscope
current
voltage