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Unformatted text preview: Things you must know Relationship between electric field and electric force Relationship between magnetic field and magnetic force Electric field of a point charge Conservation of charge Magnetic field of a moving point charge The Superposition Principle Other Fundamental Concepts U el = q V V =- f i ' E d ' l - ( E x x + E y y + E z z ) el = ' E ndA mag = ' B ndA ' E ndA = q inside ' B ndA = 0 | emf | = ' E NC d ' l = d mag dt ' B d ' l = I inside path + d dt ' E ndA Specific Results ' E due to uniformly charged spherical shell: outside like point charge; inside zero ' E dipole,axis 1 4 2 qs r 3 (on axis, r s ) ' E dipole, 1 4 qs r 3 (on axis, r s ) ' E rod = 1 4 Q r r 2 + ( L/ 2) 2 ( r from center) p = qs electric dipole moment ( p = E ) ' E rod 1 4 2 Q/L r (if r L ) ' E ring = 1 4 qz ( z 2 + R 2 ) 3 / 2 ( z along axis) ' E disk = Q/A 2 1- z ( z 2 + R 2...
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This note was uploaded on 05/24/2011 for the course PCS 228 taught by Professor Joseph during the Winter '10 term at Ryerson.
- Winter '10