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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. States that current flows from positive to negative
conventional theory
relay
acid- core solder
multimeter
2. Positively charged particles
protons
symbols
conventional theory
soldering gun
3. Current entering in wrong direction & diode acts as inulator
insulators
parallel circuit
reverse biased
series circuit
4. Measures amount of resistance in ohms in a cirucit or component
ohmmeter
ammeter
parallel circuit
open circuit
5. Have atoms that allow the flow of electrons
conventional theory
conductors
secondary wire
circuit breaker
6. Supplies electricity for circuit
foward biased
power source
unlimited current flow
switch
7. (physics and chemistry) the smallest component of an element having the chemical properties of the element
voltmeter
crimp connectors & terminals
battery cable
atom
8. Voltage readings displayed on an oscilloscope
dual- trace scope
resistance
ammeter
trace
9. Large- gauge wire capable of carrying high currents from battery to starting motor
scan tool
integrated circuit
battery cable
conductors
10. Has more than one electrical path
wire size
transistor
voltage
parallel circuit
11. Accurate display of voltage variations shown on an oscilloscope
protons
electricity
waveform
resistance
12. Diagnostic tool used to find and diagnose vehicle problems
amplify
scan tool
soldering gun
inductive ammeter
13. Slipped over outside of wire insulation - uses magnetic field around outside of wire
inductive ammeter
atom
reverse biased
current
14. Carry current between power source and load
capacitors
voltage
electricity
conductors
15. Acts as remote control switch or current amplifier
transistor
oscilloscope
load
foward biased
16. Accidental low- resistance connection resulting in excessive current flow
diode
electrons
semiconductor
short circuit
17. Used only in ignition system for spark plug or coil wires
series circuit
secondary wire
relay
crimp connectors & terminals
18. Contains fuses - circuit breakers - & flasher units for various circuits
fuse box
secondary wire
atom
voltage
19. Small section of wire designed to burn in half when excess current is present in circuit
fusible link
wiring diagram
test light
inductive ammeter
20. Negatively charged particles
electrons
symbols
open circuit
insulators
21. Reads and shows two separate waveforms
voltmeter
relay
electrons
dual- trace scope
22. Electric current generated when a wire passes through a magnetic field
induction
rosin - core solder
wiring diagram
integrated circuit
23. Has more than one load connected in a single electrical path
electricity
capacitors
series circuit
crimping pliers
24. Current entering in correct direction & diode acts as conductor
wire size
test light
foward biased
acid- core solder
25. Can cause corrosion of electrical components
voltage
conventional theory
primary wire
acid- core solder
26. Group of wires enclosed in plastic or tape covering
voltage
wiring harness
waveform
crimp connectors & terminals
27. Used to quickly repair automotive wiring
crimp connectors & terminals
induction
battery cable
Ohm's law
28. Measures amount of voltage in a circuit
voltmeter
wiring harness
amplify
magnetic field
29. Resist the flow of electricity
integrated circuit
foward biased
insulators
trace
30. Have no charge
multimeter
neutrons
soldering gun
electron theory
31. Used to test components
jumper wire
conductors
secondary wire
valence band
32. Flow of electrons through a conductor
current
reverse biased
unlimited current flow
primary wire
33. Formula for calculating circuit voltage - current - or resistance
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183
34. Used to permanently fasten wires to terminals or other wires
battery cable
harness connectors
wire size
soldering gun
35. Electical device that uses electricity
waveform
self- powered test light
conventional theory
load
36. Disconnects power source from circuit when current becomes too high
test light
ground wires
conventional theory
circuit breaker
37. The lines of force surrounding a permanent magnet or a moving charged particle
induction
atom
switch
magnetic field
38. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
integrated circuit
parallel circuit
closed circuit
dual- trace scope
39. Vehicle's frame/body serves as an electrical conductor
one- wire circuit
diode
switch
fusible link
40. Represent electrical components in a circuit
gauge size
symbols
wiring diagram
electricity
41. Multi- wire terminals that conect several wires together
oscilloscope
relay
harness connectors
dual- trace scope
42. Circuit is broken and nonoperational
waveform
open circuit
ground wires
conductors
43. Contains battery - used to check for continuity
conductors
waveform
foward biased
self- powered test light
44. Increase
amplify
secondary wire
ammeter
unlimited current flow
45. Circuit is complete and operational
fuse box
closed circuit
symbols
inductive ammeter
46. Electrically operated switch - allows small dash switch to control another circuit from a distant point
one- wire circuit
fuse box
inductive ammeter
relay
47. Extra electrons that are not locked to protons
symbols
free electrons
unlimited current flow
electricity
48. Outer band of an electron which holds a maximum of 8 electrons
free electrons
fuse box
integrated circuit
valence band
49. Connect electrical components to chassis or ground of the car
semiconductor
ammeter
secondary wire
ground wires
50. Should be used on all electrical repairs
rosin - core solder
secondary wire
fusible link
amplify