Test your basic knowledge |

Basic Of Electricity 2

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. Swith that automatclly interrupts or shut off an electric circuit at the first indication of overload.






2. Aparatus that changes alternating current (AC) to direct current (DC).






3. Prevents excessive current from passing through a circuit.






4. Also known a probe; applicator for directing electric current from a electrotherapy device to the clents skin.






5. 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 -






6. Gradients that make up the electrochemical gradient






7. Substance that speed up chemical reactions.






8. Any material that conducts electricity.






9. Positive electrode of an electrotherapy device; the anode is usually red is marked with a p or a plus (+) sign.






10. Process of fusing an acidic (positive) product into deeper tissue using galvanic current from the positive pole toward the negative pole.






11. Charged particles travel through this gradient






12. Positively charged particles are repelled by what regions






13. Abbreviated mA; 1/1 -000 of an ampere






14. Completes an elctric circuit and carries the current safety away.






15. Aparatus that changes direct current to alternating current






16. Abbriviated DC; constant - even - flowing current thta travels in one direction only and is produced by chemicals means.






17. Also known as insulator; a material that does not transmit electricity.






18. 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.






19. Abbreviated and also known as amp; unit that measures the strength of an electric current.






20. Abbreviated V and also known as voltage; unit that messure the pressuer or force that pushes electric current forward throught a conductor.






21. The path of negative and positive electric currents moving from the source through me the conductors and back to the generating source






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.






23. Meassurements of the distance between two wavelength.






24. Also known as electromagnetic spectum of radiation; name given to all of the forms of energy (or radiation) that exist.






25. Negative electrode of an electrotherapy device; the cathode is usually black and is marked with an N or a minus (-) sign.






26. The part of electromagnetic spectrum that can be seen. vivsible light only makes up 35% of natural sun light






27. Abbreviated W; unit that messure how much electric energy is being used in one second






28. Abbriviated K; 1 -000 watts






29. Currents used in electrical facil and scalp treatments






30. A measure of factors that inhibit the flow of electricity






31. 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






32. 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.






33. The movement of particles around an aton that creates pur energy.






34. Distance between successive peaks of elctromagnetic waves.






35. 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.






36. Also known as phototherapy; the application of light rays to the skin for the treatment of wrinkles - capillaries - pigmentation - or hair removal.






37. Flow of a electricity of a conductor.






38. Process that turns the light from a medical laser device into heat.






39. Another name for voltage






40. Negative pole or positive pole of an electric current






41. Electrode of anelectherapy device that is used on the area to be treated






42. An exstremely level of electricity that mirrors the body natural electrical impules.






43. Process of infusing an alkaline (negative) product into the tissues from the negative pole toward the positive pole.






44. Opposite pole from the electrode.






45. Abbreviated LED; a medical device used to reduce acne - increase skin circulation - and improve the collagen content in the skin.






46. A color componet within the skin such as blood or melanin.






47. 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.






48. Positively charged particles are attracted to what regions






49. Light at either end of the spectrum of light that is invisisble to the naked eye.






50. A difference in electrical charge in one region compared to another