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