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Test your basic knowledge |
Basic Of Electricity 2
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. Flow of a electricity of a conductor.
fuse
direct current
chromophore
miliampere
2. Abbreviated AC; rapid and interrupted current - flowing first in one direction and then in the opposite; produced by mechanical means and charges directions 60 times per second.
electrode
resistance
circuit breaker
alternating current
3. Also known as phototherapy; the application of light rays to the skin for the treatment of wrinkles - capillaries - pigmentation - or hair removal.
light therapy
intense pulse light
fuse
desincrutation
4. Meassurements of the distance between two wavelength.
kilowatt
waveform
modelities
chromophore
5. Abbriviated DC; constant - even - flowing current thta travels in one direction only and is produced by chemicals means.
photothermolysis...
visisble spectrum of light
electrode
desincrutation
6. Positively charged particles are attracted to what regions
fuse
negatively charge
electrode
microcurrent
7. A color componet within the skin such as blood or melanin.
chromophore
negatively charge
active electrode
electromagnetic spectrum
8. Process of fusing an acidic (positive) product into deeper tissue using galvanic current from the positive pole toward the negative pole.
postively charge
fuse
cataphoresis...
cathode
9. Constant and direct current - having a positive and negative pole - that produces chemical changes when it passes through the tissues and fluids of the body.
negatively charge
concentration and electrical
watt
galvanic current
10. Aparatus that changes direct current to alternating current
resistance
infared light
postively charge
converter
11. Process of infusing an alkaline (negative) product into the tissues from the negative pole toward the positive pole.
iontophoresis...
photothermolysis...
light- emitting
anaphoresis...
12. Prevents excessive current from passing through a circuit.
chromophore
fuse
nonconductor
direct current
13. Any material that conducts electricity.
electrical gradient
volt
electricity
conductor
14. Completes an elctric circuit and carries the current safety away.
iontophoresis...
waveform
inactive alactrode
grounding
15. Abbreviated V and also known as voltage; unit that messure the pressuer or force that pushes electric current forward throught a conductor.
ampere
volt
microcurrent
converter
16. Abbreviated mA; 1/1 -000 of an ampere
waveform
miliampere
wavelength
alternating current
17. Gradients that make up the electrochemical gradient
concentration and electrical
cataphoresis...
circuit breaker
electromagnetic spectrum
18. The path of negative and positive electric currents moving from the source through me the conductors and back to the generating source
resistance
complete electric circuit
waveform
circuit breaker
19. Also known as insulator; a material that does not transmit electricity.
photothermolysis...
concentration and electrical
nonconductor
negatively charge
20. Aparatus that changes alternating current (AC) to direct current (DC).
iontophoresis...
cathode
light therapy
rectifier
21. Abbreviated O; unit that measure the resistance of a electric current
infared light
potential difference
ohm
resistance
22. Infared light has no longer wavelenght - penetrates and more deeply - has less energy - and produeces more heat then vivsisble light; makes up 60% of natural light.
visisble spectrum of light
infared light
complete electric circuit
potential difference
23. Process of infusing water - soluble products into the skin with the use of electric current - such as the use of positive and negative poles of a galvanic machine.
intense pulse light
tesla high frequency current
iontophoresis...
potential difference
24. Negative pole or positive pole of an electric current
electricity
ampere
photothermolysis...
polarity
25. Another name for voltage
potential difference
converter
visisble spectrum of light
light- emitting
26. Positive electrode of an electrotherapy device; the anode is usually red is marked with a p or a plus (+) sign.
conductor
electric current
rectifier
anode
27. Positively charged particles are repelled by what regions
postively charge
watt
infared light
desincrutation
28. A difference in electrical charge in one region compared to another
intense pulse light
voltage
waveform
ultravilet light
29. Swith that automatclly interrupts or shut off an electric circuit at the first indication of overload.
circuit breaker
potential difference
light- emitting
ultravilet light
30. Abbreviated UV light and and also known as cold light or actinic light; invisble light that has a short wavelength (giving it higher energy) is less penetrating then visisble light - causes chemical reactions to act more quickly than visisble light -
ultravilet light
electricity
fuse
waveform
31. Abbreviated W; unit that messure how much electric energy is being used in one second
watt
kilowatt
cataphoresis...
potential difference
32. The part of electromagnetic spectrum that can be seen. vivsible light only makes up 35% of natural sun light
electricity
ampere
anode
visisble spectrum of light
33. Abbriviated K; 1 -000 watts
kilowatt
ultravilet light
nonconductor
grounding
34. Movement of charged particles
resistance
electricity
cathode
polarity
35. A medical device thtat uses mutiple color and wavelenghts (broad spectrum) of focus light to treat spider veins - hyperpigmentation - rosacea - and redness - wrenkles - enlarged hairfollocles and pores - and ecessive hair.
iontophoresis...
desincrutation
intense pulse light
circuit breaker
36. Substance that speed up chemical reactions.
catalyts
electrode
converter
circuit breaker
37. Negative electrode of an electrotherapy device; the cathode is usually black and is marked with an N or a minus (-) sign.
cathode
desincrutation
postively charge
wavelength
38. A measure of factors that inhibit the flow of electricity
circuit breaker
resistance
fuse
miliampere
39. Electrode of anelectherapy device that is used on the area to be treated
active electrode
direct current
inactive alactrode
polarity
40. Also known as violet ray; thermal heat producing current with a high rate of oscillation or vibration thats is commonly used for scalp and facial treatmeants
cataphoresis...
nonconductor
tesla high frequency current
postively charge
41. Distance between successive peaks of elctromagnetic waves.
microcurrent
wavelength
watt
volt
42. Abbreviated LED; a medical device used to reduce acne - increase skin circulation - and improve the collagen content in the skin.
light- emitting
converter
electromagnetic spectrum
galvanic current
43. The movement of particles around an aton that creates pur energy.
cathode
invisible light
electric current
watt
44. Opposite pole from the electrode.
inactive alactrode
anode
fuse
resistance
45. Abbreviated and also known as amp; unit that measures the strength of an electric current.
chromophore
ampere
visisble spectrum of light
electromagnetic spectrum
46. Currents used in electrical facil and scalp treatments
modelities
postively charge
anode
nonconductor
47. Also known a probe; applicator for directing electric current from a electrotherapy device to the clents skin.
anaphoresis...
catalyts
electrode
volt
48. Light at either end of the spectrum of light that is invisisble to the naked eye.
iontophoresis...
watt
invisible light
rectifier
49. An exstremely level of electricity that mirrors the body natural electrical impules.
kilowatt
microcurrent
electric current
miliampere
50. Charged particles travel through this gradient
ultravilet light
watt
electrical gradient
conductor