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