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Electric Potential (Va) (3) unit? |
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Definition
Potential Energy per unit charge Va=PEa/q V=k Q/r volts (V) 1V=1J/C |
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Electric Potential ENERGY |
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Change in Electric POTENTIAL (ΔV) |
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line or surface which potential is constant perpendicular to electric field lines (E) |
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energy gained by an electron moving through a potential difference of one volt |
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ability to store elec charge (q) can retain charge even when disconnected from voltage source |
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C = Q/V (F) C = €0 A/d 1 Farad = 1 C/V |
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an insulator reduces electric field (E) reduces PE
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maximum field a dielectric can experience without breaking down |
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PE = 1/2 QV = 1/2 CV2 = 1/2 Q2/C |
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