1634019
| Questão | Responda |
| _______is a form of energy; It's the movement of particles around an atom that creates pure energy. | Electricity |
| When in motion, energy exhibits________, ________, or ___________ effects. | magnetic, chemical, or thermal |
| An___________ is a flow of electricity along a conductor | electric current |
| Any substances that easily transmits electricity is a ___________. | Conductor |
| What is particularly a good conductor? | Copper |
| A substance that does not easily transmit electricity is a ____________ or a(n)___________. | Nonconductor or Insulator |
| Name five example of nonconductor (Insulator) | 1.Rubber 2.Silk 3.wood 4.glass. 5.cement |
| A____________ is the path of negative & positive electric currents from the generating source through the conductor and back to its original. | Complete electric circuit |
| _____________is a constant,even flowing current travels in _____ direction and is produced by _______________. | Direct current, one, chemical means. |
| _________current is a rapid and interrupted current, flowing first in one direction and then in the opposite direction. | Alternating |
| What apparatus changes direct current to alternating current? | Converter |
| What apparatus changes alternating current to direct current? | Rectifier |
| Flash lights, Mobile phones, and Car battery are ______ current. | direct |
| Curling irons, table lamps, and hot rollers are ___________current. | Alternating |
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