AP E&M quantities quiz prep

A

area, m², vector

C

capacitance, Farads (F), scalar

d or s

plate separation, m, scalar

E

electric field, V/m or N/C, vector

F

force, newtons (N), vector

I

current, amperes (A), scalar

J

current density, A/m², vector

l

length, m, scalar

P

power, J/s or V * A, scalar

Q, q

charge, coulombs (C), scalar

r or R

radius, meters, scalars

R only

resistance, Ω, scalar

t

time, seconds, scalar

U

potential energy, J, scalar

V (electricity)

electric potential, volts, scalar

V (geometry)

volume, m³, scalar

ε (circuits)

emf, volts, scalar

ρ

resistivity, Ω*m, scalar OR density, m^-3, scalar

κ

dielectric constant, no units, scalar

Φ_E

electric flux, V*m or N*m²/C, scalar

B

magnetic field, teslas (T), vector

L

inductance, henries (H), scalar

n

number of turns per unit length, m^-1, scalar

N

number of turns, no units, scalar

Φ_B

magnetic flux, Wb, scalar

μ

magnetic permeability, T*m/A, scalar

τ

time constant, s, scalar

ω

angular frequency, rad/s, s

ε (electric fields)

electric permeability, F/m, scalar

k

9 × 10⁹ N*m²/C

ε₀

8.85 ×10^-12 F/m

μ₀

4π * 10^-7 T*m/A

e

1.6 × 10^-19 C