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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. Contains battery - used to check for continuity
rosin - core solder
foward biased
self- powered test light
harness connectors
2. Accidental low- resistance connection resulting in excessive current flow
oscilloscope
induction
short circuit
switch
3. Electric current generated when a wire passes through a magnetic field
secondary wire
electron theory
conductors
induction
4. Have atoms that allow the flow of electrons
conductors
voltage
wire size
protons
5. Electrically operated switch - allows small dash switch to control another circuit from a distant point
relay
Ohm's law
semiconductor
atom
6. Used to test components
conductors
battery cable
jumper wire
trace
7. Group of wires enclosed in plastic or tape covering
insulators
wiring harness
protons
transistor
8. Disconnects power source from circuit when current becomes too high
series circuit
circuit breaker
free electrons
foward biased
9. Diagnostic tool used to find and diagnose vehicle problems
scan tool
jumper wire
valence band
capacitors
10. Special substance capable of acting as conductor and insulator
relay
semiconductor
power source
transistor
11. Used to quickly repair automotive wiring
neutrons
series circuit
transistor
crimp connectors & terminals
12. Small section of wire designed to burn in half when excess current is present in circuit
fusible link
transistor
conductors
neutrons
13. Resist the flow of electricity
oscilloscope
integrated circuit
insulators
primary wire
14. Multi- wire terminals that conect several wires together
harness connectors
load
ammeter
switch
15. Shows how electrical components are connected by wires
wiring diagram
load
ohmmeter
battery cable
16. Circuit is broken and nonoperational
battery cable
foward biased
open circuit
transistor
17. Force that causes electron flow
test light
voltage
power source
closed circuit
18. Acts as remote control switch or current amplifier
transistor
ammeter
unlimited current flow
electricity
19. Extra electrons that are not locked to protons
trace
free electrons
voltage
conventional theory
20. Supplies electricity for circuit
foward biased
power source
dual- trace scope
closed circuit
21. Used to permanently fasten wires to terminals or other wires
soldering gun
free electrons
conductors
voltage
22. Electronic measuring instrument
load
oscilloscope
electrons
ammeter
23. Mocroscopic diodes - transistors - resistors - & capacitors in waferlike chip
transistor
integrated circuit
waveform
crimp connectors & terminals
24. The lines of force surrounding a permanent magnet or a moving charged particle
inductive ammeter
trace
ammeter
magnetic field
25. Large- gauge wire capable of carrying high currents from battery to starting motor
integrated circuit
battery cable
scan tool
resistance
26. Flow of electrons through a conductor
protons
insulators
current
ohmmeter
27. Allows current to flow in only one direction
test light
diode
Ohm's law
neutrons
28. Allows an electric circuit to be turned on or off
ammeter
short circuit
multimeter
switch
29. Movement of electrons from atom to atom
conductors
power source
electricity
multimeter
30. Measures amount of resistance in ohms in a cirucit or component
neutrons
circuit breaker
ohmmeter
wiring harness
31. Current entering in correct direction & diode acts as conductor
foward biased
soldering gun
atom
electron theory
32. Vehicle's frame/body serves as an electrical conductor
semiconductor
transistor
secondary wire
one- wire circuit
33. Measures amount of current in a circuit
load
circuit breaker
ammeter
electron theory
34. Has more than one electrical path
conductors
parallel circuit
insulators
crimp connectors & terminals
35. Formula for calculating circuit voltage - current - or resistance
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183
36. Measures amount of voltage in a circuit
voltmeter
rosin - core solder
magnetic field
jumper wire
37. Electical device that uses electricity
conductors
fusible link
jumper wire
load
38. Small wire that carries battery or alternator voltage
ammeter
primary wire
resistance
integrated circuit
39. Reads and shows two separate waveforms
crimping pliers
oscilloscope
diode
dual- trace scope
40. Short to ground between battery and load can melt & burn wire insulation
amplify
unlimited current flow
multimeter
neutrons
41. Increase
amplify
reverse biased
diode
wiring diagram
42. Voltage readings displayed on an oscilloscope
unlimited current flow
conductors
atom
trace
43. Contains fuses - circuit breakers - & flasher units for various circuits
symbols
closed circuit
fuse box
secondary wire
44. Determined by diameter of wire's metal conductor
oscilloscope
capacitors
one- wire circuit
wire size
45. Used to deform the connector or terminal around the wire
semiconductor
inductive ammeter
crimping pliers
Ohm's law
46. Carry current between power source and load
soldering gun
conductors
electron theory
acid- core solder
47. Circuit is complete and operational
series circuit
amplify
test light
closed circuit
48. (physics and chemistry) the smallest component of an element having the chemical properties of the element
rosin - core solder
atom
circuit breaker
oscilloscope
49. Voltmeter - ammeter - ohmmeter in one unit
free electrons
multimeter
electron theory
insulators
50. States that current flows from positive to negative
gauge size
electron theory
wire size
oscilloscope