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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. Resist the flow of electricity
secondary wire
primary wire
electron theory
insulators
2. Current entering in correct direction & diode acts as conductor
atom
crimp connectors & terminals
foward biased
fusible link
3. Used to permanently fasten wires to terminals or other wires
waveform
electron theory
soldering gun
foward biased
4. Used to quickly repair automotive wiring
crimp connectors & terminals
free electrons
symbols
unlimited current flow
5. Slipped over outside of wire insulation - uses magnetic field around outside of wire
inductive ammeter
voltmeter
resistance
multimeter
6. Used to absorb unwanted electrical pulses
power source
ammeter
fusible link
capacitors
7. Electrically operated switch - allows small dash switch to control another circuit from a distant point
inductive ammeter
closed circuit
relay
free electrons
8. Checks circuit for voltage
switch
trace
ammeter
test light
9. States that current flows from positive to negative
jumper wire
oscilloscope
switch
electron theory
10. Movement of electrons from atom to atom
conductors
electricity
electrons
relay
11. Measures amount of resistance in ohms in a cirucit or component
wiring harness
wiring diagram
ammeter
ohmmeter
12. Allows current to flow in only one direction
diode
conductors
resistance
gauge size
13. Disconnects power source from circuit when current becomes too high
test light
wire size
semiconductor
circuit breaker
14. Can cause corrosion of electrical components
magnetic field
amplify
open circuit
acid- core solder
15. (physics and chemistry) the smallest component of an element having the chemical properties of the element
neutrons
atom
fusible link
voltage
16. The opposition to current flow
resistance
Ohm's law
gauge size
series circuit
17. Have no charge
open circuit
neutrons
rosin - core solder
integrated circuit
18. Larger gauge=smaller diameter
closed circuit
power source
foward biased
gauge size
19. The lines of force surrounding a permanent magnet or a moving charged particle
battery cable
fusible link
magnetic field
resistance
20. Has more than one load connected in a single electrical path
resistance
reverse biased
series circuit
crimp connectors & terminals
21. Used only in ignition system for spark plug or coil wires
secondary wire
oscilloscope
reverse biased
power source
22. Positively charged particles
foward biased
voltmeter
protons
resistance
23. Large- gauge wire capable of carrying high currents from battery to starting motor
relay
battery cable
electricity
current
24. States that current flows from positive to negative
conventional theory
fusible link
unlimited current flow
harness connectors
25. Extra electrons that are not locked to protons
free electrons
acid- core solder
electrons
unlimited current flow
26. Allows an electric circuit to be turned on or off
harness connectors
voltage
switch
induction
27. Electric current generated when a wire passes through a magnetic field
jumper wire
circuit breaker
induction
power source
28. Supplies electricity for circuit
power source
load
Ohm's law
free electrons
29. Has more than one electrical path
open circuit
induction
parallel circuit
acid- core solder
30. Voltmeter - ammeter - ohmmeter in one unit
resistance
multimeter
soldering gun
foward biased
31. Short to ground between battery and load can melt & burn wire insulation
gauge size
diode
secondary wire
unlimited current flow
32. Vehicle's frame/body serves as an electrical conductor
one- wire circuit
ohmmeter
wiring diagram
crimping pliers
33. Should be used on all electrical repairs
rosin - core solder
secondary wire
scan tool
parallel circuit
34. Determined by diameter of wire's metal conductor
insulators
unlimited current flow
soldering gun
wire size
35. Force that causes electron flow
resistance
diode
voltage
series circuit
36. Used to test components
crimping pliers
ohmmeter
harness connectors
jumper wire
37. Increase
reverse biased
closed circuit
amplify
self- powered test light
38. Acts as remote control switch or current amplifier
harness connectors
ground wires
conventional theory
transistor
39. Electical device that uses electricity
capacitors
switch
load
waveform
40. Contains fuses - circuit breakers - & flasher units for various circuits
fuse box
induction
open circuit
series circuit
41. Small section of wire designed to burn in half when excess current is present in circuit
oscilloscope
neutrons
voltage
fusible link
42. Carry current between power source and load
gauge size
conductors
semiconductor
electron theory
43. Circuit is broken and nonoperational
battery cable
trace
electron theory
open circuit
44. Group of wires enclosed in plastic or tape covering
harness connectors
wiring harness
induction
foward biased
45. Small wire that carries battery or alternator voltage
ammeter
wiring diagram
primary wire
relay
46. Voltage readings displayed on an oscilloscope
semiconductor
trace
inductive ammeter
scan tool
47. Measures amount of current in a circuit
conductors
ammeter
waveform
trace
48. Current entering in wrong direction & diode acts as inulator
reverse biased
transistor
one- wire circuit
open circuit
49. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
unlimited current flow
foward biased
rosin - core solder
integrated circuit
50. Accurate display of voltage variations shown on an oscilloscope
electricity
ammeter
waveform
switch