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