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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. Light at either end of the spectrum of light that is invisisble to the naked eye.
ampere
resistance
photothermolysis...
invisible light
2. The movement of particles around an aton that creates pur energy.
electrode
postively charge
electric current
watt
3. Also known a probe; applicator for directing electric current from a electrotherapy device to the clents skin.
electrode
alternating current
resistance
waveform
4. Opposite pole from the electrode.
inactive alactrode
iontophoresis...
anaphoresis...
watt
5. Also known as electromagnetic spectum of radiation; name given to all of the forms of energy (or radiation) that exist.
concentration and electrical
electromagnetic spectrum
polarity
anaphoresis...
6. 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.
intense pulse light
visisble spectrum of light
voltage
rectifier
7. Movement of charged particles
volt
electricity
negatively charge
anaphoresis...
8. The path of negative and positive electric currents moving from the source through me the conductors and back to the generating source
anode
tesla high frequency current
complete electric circuit
wavelength
9. A measure of factors that inhibit the flow of electricity
fuse
resistance
cathode
kilowatt
10. Also known as insulator; a material that does not transmit electricity.
catalyts
nonconductor
wavelength
cathode
11. Abbreviated W; unit that messure how much electric energy is being used in one second
ampere
tesla high frequency current
watt
modelities
12. 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
conductor
electromagnetic spectrum
tesla high frequency current
intense pulse light
13. Prevents excessive current from passing through a circuit.
fuse
photothermolysis...
anaphoresis...
polarity
14. Abbreviated and also known as amp; unit that measures the strength of an electric current.
iontophoresis...
active electrode
ampere
miliampere
15. Charged particles travel through this gradient
electrode
electrical gradient
cathode
watt
16. Abbreviated O; unit that measure the resistance of a electric current
negatively charge
ohm
chromophore
electrode
17. Electrode of anelectherapy device that is used on the area to be treated
active electrode
modelities
ohm
potential difference
18. Abbreviated LED; a medical device used to reduce acne - increase skin circulation - and improve the collagen content in the skin.
volt
polarity
cathode
light- emitting
19. The part of electromagnetic spectrum that can be seen. vivsible light only makes up 35% of natural sun light
grounding
catalyts
desincrutation
visisble spectrum of light
20. Any material that conducts electricity.
electrode
conductor
voltage
galvanic current
21. 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 -
anode
negatively charge
ultravilet light
converter
22. Flow of a electricity of a conductor.
direct current
desincrutation
voltage
nonconductor
23. Distance between successive peaks of elctromagnetic waves.
active electrode
wavelength
alternating current
potential difference
24. Negative pole or positive pole of an electric current
ultravilet light
light- emitting
ohm
polarity
25. Negative electrode of an electrotherapy device; the cathode is usually black and is marked with an N or a minus (-) sign.
alternating current
cathode
direct current
postively charge
26. Also known as phototherapy; the application of light rays to the skin for the treatment of wrinkles - capillaries - pigmentation - or hair removal.
alternating current
photothermolysis...
light therapy
cataphoresis...
27. Abbriviated K; 1 -000 watts
kilowatt
direct current
cataphoresis...
voltage
28. Currents used in electrical facil and scalp treatments
waveform
rectifier
cathode
modelities
29. 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.
wavelength
infared light
desincrutation
negatively charge
30. Aparatus that changes alternating current (AC) to direct current (DC).
ampere
watt
rectifier
nonconductor
31. Aparatus that changes direct current to alternating current
converter
invisible light
ampere
ohm
32. Positively charged particles are attracted to what regions
voltage
wavelength
invisible light
negatively charge
33. Completes an elctric circuit and carries the current safety away.
inactive alactrode
grounding
conductor
microcurrent
34. A difference in electrical charge in one region compared to another
microcurrent
voltage
kilowatt
nonconductor
35. Abbriviated DC; constant - even - flowing current thta travels in one direction only and is produced by chemicals means.
anode
desincrutation
circuit breaker
direct current
36. 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.
galvanic current
intense pulse light
rectifier
electricity
37. Gradients that make up the electrochemical gradient
invisible light
ohm
concentration and electrical
light- emitting
38. Abbreviated V and also known as voltage; unit that messure the pressuer or force that pushes electric current forward throught a conductor.
photothermolysis...
kilowatt
direct current
volt
39. Positive electrode of an electrotherapy device; the anode is usually red is marked with a p or a plus (+) sign.
ampere
light therapy
anode
microcurrent
40. Abbreviated mA; 1/1 -000 of an ampere
electrical gradient
nonconductor
cathode
miliampere
41. Swith that automatclly interrupts or shut off an electric circuit at the first indication of overload.
chromophore
circuit breaker
electromagnetic spectrum
wavelength
42. Process of fusing an acidic (positive) product into deeper tissue using galvanic current from the positive pole toward the negative pole.
catalyts
circuit breaker
cataphoresis...
complete electric circuit
43. Substance that speed up chemical reactions.
anaphoresis...
wavelength
postively charge
catalyts
44. Meassurements of the distance between two wavelength.
waveform
volt
cathode
voltage
45. Another name for voltage
modelities
light therapy
anode
potential difference
46. A color componet within the skin such as blood or melanin.
modelities
light therapy
potential difference
chromophore
47. Process that turns the light from a medical laser device into heat.
electricity
cathode
chromophore
photothermolysis...
48. Process of infusing an alkaline (negative) product into the tissues from the negative pole toward the positive pole.
nonconductor
intense pulse light
electromagnetic spectrum
anaphoresis...
49. 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.
conductor
iontophoresis...
anode
fuse
50. Positively charged particles are repelled by what regions
postively charge
complete electric circuit
resistance
kilowatt