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