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