Physics 2B Formula Sheet UNIT 1 – Electric Charges, Force & Fields Constants Elementary Charge C1060.119−×=eC = Coulomb Permittivity of Free Space 22120mN/ C1085.8−×=εCoulomb Constant 229C/ mN1000.9×=k014πε=Fundamental FormulasCoulomb’s Force Law 122ˆqqkr=FrKNewtons Electric Field Defined qFEKK=Force on “test” charge divided by that charge Electric Field: Point Source 2ˆqkrr=EKNewton / Coulomb Electric Field: Continuous Charge Distribution ∫∫==rEEˆ2rdqkdKKwheredVdAdLdq,,ρσλ=Linear Charge Density chargeunit lengthqL==dqdL=Coulombs / meter Surface Charge Density chargeunit areaqA==dqdA=Coulombs / meter
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This note was uploaded on 08/23/2008 for the course PHYS 2b taught by Professor Schuller during the Summer '08 term at UCSD.