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