UCSD Summer Session Physics 2B Formula Sheet UNIT 2 – Electric Potential, Work & Capacitance Coulomb’s Force Law 122ˆqqkr=FrKNewtons Electric Field 2ˆqkrr=EKNewton / Coulomb Electric Potential VEdl=−•∫KKVolt = Joule / Coulomb Point Charge kqVr=Volts (Absolute) Concentric Spheres 11Vkqab⎛⎞=−⎜⎟⎝⎠a = inner radius Concentric Cylinders (or wire) ( )2ln/abλ=b = outer radius Infinite Sheet Parallel Plates 00/2/dddσε⎧==⎨⎩d = distance from sheet d = plate separation E-Field from Potential dVEdr(one-dimension) Volts / meter E from V in 3 dimensions ,,dVdVdVEdxdydz−−KVolts / meter Work & Energy in
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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.