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