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