AP Physics Formulas (Electricity and Magnetism)
Order by
17 terms
Terms | Definitions |
|---|---|
 Finding Electric Field | E = F/q Electric field (E) is equal to the force (F) divided by the charge (q). |
| Finding Potential Energy of an Electric Field | UE = qV The potential energy of an electric field is equal to the charge (q) times the potential difference (V). |
| Finding Average Electric Field | Eavg = -V/d Average electric field is equal to the negative potential difference (-V) divided by the distance (d). |
| Finding Capacitance | C = Q/V Capacitance (C) is equal to the charge (Q) divided by the potential difference (V). |
| Finding Capacitance | C = ε₀A/d Capacitance (C) is equal to the electromotive force (emf, ε₀) times the area (A) all divided by the distance (d). |
| Finding Potential Energy of a Capacitor | Uc = 1/2QV = 1/2CV² The potential energy of a capacitor is equal to one-half of the charge (1/2Q) times the potential difference (V) which is equal to one-half of the capacitance (1/2C) times the potential difference squared (V²). |
| Finding Average Current | Iavg = ΔQ/Δt Average current (Iavg) is equal to the change in charge (ΔQ) divided by the change in time (Δt). |
| Finding Voltage of a Circuit | V = IR Voltage (V) is equal to the current (I) times the resistance (R). |
| Finding Power of a Circuit | P = IV Power (P) is equal to the current (I) times the Voltage (V). |
| Finding Equivalant Capacitance with a Series Circuit | 1/C = 1/C₀ + 1/C₁ The inverse of equivalent capacitance (C) in a series circuit is equal to the sum of the inverse of each capacitor (1/C₁, 1/C₂). |
| Finding Equivalent Capacitance with a Parallel Circuit | C = C₀ + C₁ Equivalent capacitance (C) in a parallel circuit is equal to the sum of each capacitor (C₀, C₁). |
| Finding Equivalent Resistance with a Series Circuit | R = R₀ + R₁ Equivalent resistance (R) in a series circuit is equal to the sum of each resistor (R₀, R₁). |
| Finding Equivalent Resistance with a Parallel Circuit | 1/R = 1/R₀ + 1/R₁ The inverse of equivalent resistance (R) in a parallel circuit is equal to the sum of the inverse of each resistor (1/R₁, 1/R₂). |
| Finding Magnetic Force on a Point Charge | FB = qvBsin(Θ) Magnetic force (FB) is equal to the charge (q) times the velocity (v) times the strength of the field (B) times the sine of theta (sin(Θ)). Note: The sine of 90 is 1. |
| Finding Magnetic Force on a Current-Carrying Wire | FB = BILsin(Θ) Magnetic force (FB) is equal to the strength of the field (B) times the current (I) times the length (L) times the sine of theta (sin(Θ)). Note: The sine of 90 is 1. |
| Finding Magnetic Flux | ∅m = BAcos(Θ) Magnetic flux (∅m) is equal to the strength of the field (B) times the area (A) times the cosine of theta (cos(Θ)). Note: The cosine of 0 is 1. |
| Finding EMF | ε = BLV Electromotive force (emf, ε) is equal to the strength of the field (B) times the length (L) times the potential difference (v). |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.