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Unformatted text preview: Coulomb’s Law F = 1 4 πε q Q r 2 = k q Q r 2 k = 8.99 × 10 9 N ⋅ m 2 C 2 ε = 8.85 × 10 − 12 C 2 N ⋅ m 2 Quantization of Charge e = 1.602 × 10 − 19 C Electric Field of a Point Charge E = 1 4 πε q r 2 Force on a Point Charge in an Electric Field r F = q r E Electric Field of an Infinite Line of Charge E = λ 2 πε y Electric Field of an Infinite Sheet of Charge E = σ 2 ε Electric Field of a Finite Line of Charge in its Midplane E = λ 2 πε y 1 1 + 4 y L 2 Electric Field of a Ring of Charge Along its Axis E = qz 4 πε z 2 + R 2 ( ) 3/2 Electric Field of a Disk of Charge Along its Axis E = η 2 ε 1 − z z 2 + R 2 Dipole Moment r p = q r d Electric Field of a Dipole on its Axis E = 1 2 πε p z 3 Torque on a Dipole in and Electric Field r τ = r p × r E τ = pE sin θ Potential Energy of a Dipole in an Electric Field U = − r p • r E = − pE cos θ Electric Flux Φ = r E • d r A ∫ Gauss’ Law Φ = q enc...
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This test prep was uploaded on 04/09/2008 for the course PHYS 132 taught by Professor Beatty during the Winter '08 term at Ohio State.
 Winter '08
 Beatty
 Charge, Magnetism

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