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19 Cards in this Set
- Front
- Back
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Lambda |
Lambda = Q / L |
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Eta |
Eta = Q / A |
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E field of a dipole |
E = K*2p / r^3 -- on axis E = -K*p / r^3 -- on bisecting plane |
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E field of a capacitor |
Ideal capacitors have no field outside their plates. Inside: Q / Epsilon0*A |
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Kinematics Equations |
xf = xi + vi*t + 1/2*a*t^2 vf = vi + a*t a = constant vf^2 = vi^2 + 2*a*(xf-xi) |
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Electric Flux (simple version) |
PHI = E*A*cos(theta) theta between A's normal vector and E field |
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Electric Potential Energy |
U = q*E*s |
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Potential of a capacitor from potential and distance s from negative electrode |
V = (s / d)*Vc |
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Capacitance from a dielectric |
Cf = K*Ci |
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Kappa |
E0 / En |
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Resistors and Capacitors in series have the same __________ / ____________ |
Current / Charge |
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Resistors and Capacitors in parallel have the same ________________ |
Potential across them |
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omega for LC circuits |
w = sqrt(1/(L*C)) |
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Imax for LC circuits |
Qi * omega |
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Reference frame transformations for E field and B fields |
Eb = Ea + vba x Ba Bb = Ba - (1/c^2) vba x Ea Fields measured in their reference frames from a stationary vantage point. v is velocity of B relative to A |
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Lorentz force equation |
F = q(E + v x B) |
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S, the Poynting vector = |
EB/mu0 E^2/cmu0 cEps0E62 |
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E for electromagnetism |
E0*(sin(2pi(x/lambda - ft))) |
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E field to B field conversion |
E = c*B |
