AP Physics B - Electric Potential and Capacitance
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| 303444461 | The amount of potential energy per unit of charge | Electric Potential aka Potential aka Voltage | |
| 303444462 | Equation relating electric potential, potential energy, and charge | ∆V = (∆U)/(q) | |
| 303444463 | Units used to measure electric potential | Volts (V) equivalent to (Joules)/(Coulomb) | |
| 303444464 | Equation relating Electric Potential Energy and Electrical Work | ∆U = -W | |
| 303444465 | Electric Potential between two _?_ charges is ZERO. (LIKE or OPPOSITE) | Electric Potential between two _OPPOSITE_ charges is ZERO. | |
| 303444466 | A positive charge naturally accelerates from a region of _?_ to _?_ electric potential. (HIGHER or LOWER) | A positive charge naturally accelerates from a region of _HIGHER_ to _LOWER_ electric potential. | |
| 303444467 | A negative charge naturally accelerates from a region of _?_ to _?_ electric potential. (HIGHER or LOWER) | A negative charge naturally accelerates from a region of _LOWER_ to _HIGHER_ electric potential. | |
| 303444468 | When a charge moves naturally the work done by the electric force is _?_ and the potential energy change is _?_. (POSITIVE or NEGATIVE) | When a charge moves naturally the work done by the electric force is _POSITIVE_ and the potential energy change is _NEGATIVE_. | |
| 303444469 | When a charge moves UNNATURALLY the work done by the electric force is _?_ and the potential energy change is _?_. (POSITIVE or NEGATIVE) | When a charge moves UNNATURALLY the work done by the electric force is _NEGATIVE_ and the potential energy change is _POSITIVE_. | |
| 303444470 | When an electric field does positive work the change in potential energy is _?_ and the change in velocity is _?_. (POSITIVE or NEGATIVE) | When an electric field does positive work the change in potential energy is _NEGATIVE_ and the change in velocity is _POSITIVE_. | |
| 303444471 | A surface or line upon which all electric potentials are equal | Equipotential | |
| 303444472 | What type of material has an equipotential surface? Why? | CONDUCTORS have EQUIPOTENTIAL SURFACES because charge spreads out evenly across the surface. | |
| 303444473 | Electric fields are _?_ to EQUIPOTENTIAL LINES. | Electric fields are _PERPENDICULAR_ to EQUIPOTENTIAL LINES. | |
| 303444474 | Electric Fields are directed towards regions of _?_ electric potential. (INCREASING or DECREASING) | Electric Fields are directed towards regions of _DECREASING_ electric potential. | |
| 303444475 | Equation that expresses the electric potential at a given distance from a charge | V = k (Q)/(r) | |
| 303444476 | Storage device for electric charge (which stores electric potential energy) | Capacitor | |
| 303444477 | What equation is used to find the capacitance of a capacitor? | C = (Q)/(V) C = Capacitance Q = magnitude of charge on each plate V = voltage difference between plates | |
| 303444478 | Units used to measure capacitance | F - Farad Equal to (Coulombs)/(Volt) | |
| 303444479 | Equation that relates ENERGY in a capacitor to CHARGE and VOLTAGE | U = ½(Q)(∆V) U = Electric Potential Energy Q = Charge on each plate ∆V = Voltage difference between plates | |
| 303444480 | What equation is used to find the ELECTRIC FIELD inside a capacitor? | E = (∆V)/(d) E = electric field ∆V = voltage difference d = distance between plates |