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