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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. Accidental low- resistance connection resulting in excessive current flow
integrated circuit
semiconductor
short circuit
voltage
2. Used to permanently fasten wires to terminals or other wires
soldering gun
insulators
transistor
protons
3. Contains battery - used to check for continuity
crimping pliers
short circuit
rosin - core solder
self- powered test light
4. Current entering in wrong direction & diode acts as inulator
protons
capacitors
reverse biased
parallel circuit
5. Used only in ignition system for spark plug or coil wires
neutrons
secondary wire
wiring diagram
integrated circuit
6. States that current flows from positive to negative
diode
wiring diagram
capacitors
conventional theory
7. Force that causes electron flow
scan tool
voltage
closed circuit
semiconductor
8. Measures amount of voltage in a circuit
insulators
ohmmeter
voltmeter
dual- trace scope
9. Allows an electric circuit to be turned on or off
symbols
secondary wire
switch
Ohm's law
10. Accurate display of voltage variations shown on an oscilloscope
symbols
waveform
free electrons
circuit breaker
11. Resist the flow of electricity
insulators
primary wire
electricity
parallel circuit
12. The lines of force surrounding a permanent magnet or a moving charged particle
magnetic field
test light
ammeter
crimp connectors & terminals
13. Used to test components
jumper wire
parallel circuit
voltmeter
scan tool
14. Acts as remote control switch or current amplifier
transistor
ground wires
oscilloscope
rosin - core solder
15. Has more than one electrical path
dual- trace scope
parallel circuit
ammeter
short circuit
16. Used to deform the connector or terminal around the wire
crimping pliers
secondary wire
insulators
acid- core solder
17. Short to ground between battery and load can melt & burn wire insulation
fuse box
unlimited current flow
wire size
self- powered test light
18. Contains fuses - circuit breakers - & flasher units for various circuits
trace
parallel circuit
fuse box
conductors
19. Disconnects power source from circuit when current becomes too high
integrated circuit
circuit breaker
battery cable
symbols
20. Reads and shows two separate waveforms
electrons
dual- trace scope
scan tool
fusible link
21. Connect electrical components to chassis or ground of the car
ground wires
scan tool
multimeter
transistor
22. Checks circuit for voltage
battery cable
scan tool
conductors
test light
23. Measures amount of resistance in ohms in a cirucit or component
atom
ohmmeter
relay
symbols
24. Movement of electrons from atom to atom
voltage
electricity
fusible link
electron theory
25. Multi- wire terminals that conect several wires together
acid- core solder
voltmeter
harness connectors
soldering gun
26. Should be used on all electrical repairs
Ohm's law
trace
rosin - core solder
current
27. Larger gauge=smaller diameter
current
gauge size
electrons
fuse box
28. Slipped over outside of wire insulation - uses magnetic field around outside of wire
scan tool
neutrons
inductive ammeter
integrated circuit
29. Carry current between power source and load
soldering gun
amplify
conductors
reverse biased
30. Determined by diameter of wire's metal conductor
test light
jumper wire
ohmmeter
wire size
31. Group of wires enclosed in plastic or tape covering
secondary wire
wiring harness
fuse box
crimping pliers
32. Shows how electrical components are connected by wires
wiring diagram
closed circuit
fusible link
waveform
33. Flow of electrons through a conductor
wire size
jumper wire
current
free electrons
34. Voltmeter - ammeter - ohmmeter in one unit
multimeter
self- powered test light
free electrons
wiring harness
35. Measures amount of current in a circuit
insulators
fuse box
ammeter
current
36. Electrically operated switch - allows small dash switch to control another circuit from a distant point
current
open circuit
relay
rosin - core solder
37. Have atoms that allow the flow of electrons
conductors
series circuit
foward biased
harness connectors
38. Small section of wire designed to burn in half when excess current is present in circuit
wire size
fusible link
voltage
electron theory
39. Electronic measuring instrument
oscilloscope
transistor
closed circuit
battery cable
40. Has more than one load connected in a single electrical path
electricity
current
self- powered test light
series circuit
41. Used to absorb unwanted electrical pulses
secondary wire
capacitors
scan tool
conventional theory
42. Have no charge
neutrons
circuit breaker
resistance
wire size
43. Small wire that carries battery or alternator voltage
current
primary wire
semiconductor
symbols
44. (physics and chemistry) the smallest component of an element having the chemical properties of the element
atom
resistance
fusible link
voltmeter
45. Positively charged particles
amplify
unlimited current flow
semiconductor
protons
46. Electical device that uses electricity
load
series circuit
induction
amplify
47. Outer band of an electron which holds a maximum of 8 electrons
soldering gun
foward biased
magnetic field
valence band
48. Represent electrical components in a circuit
symbols
electrons
one- wire circuit
secondary wire
49. The opposition to current flow
self- powered test light
resistance
closed circuit
load
50. Voltage readings displayed on an oscilloscope
current
rosin - core solder
trace
reverse biased