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