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