review

review - PHY-2054C-002, Fall 2008 Instructor: Dr....

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Unformatted text preview: PHY-2054C-002, Fall 2008 Instructor: Dr. Bhattacharya Course summary Coulombs law: F = k q 1 q 2 r 2 r = 1 4 q 1 q 2 r 2 r Electric filed: E = k Q r 2 r = 1 4 Q r 2 r Electric potential: V = k Q r Potential energy : U = k q 1 q 2 r 12 Conservation of energy in an electrostatics field: U 1 + K 1 = U 2 + K 2 Electric Flux: E = E A cos( ) Gausss Law: E A = Q inside Charge inside a conductor = 0 Electric field on the surface of a condutor: Series combination of capacitances 1 C = 1 C 1 + 1 C 2 Parallel combination of capacitances C = C 1 + C 2 Charge on a capacitor Q = VC Electrostatic energy U = 1 2 CV 2 = 1 2 Q 2 C = 1 2 QV Parallel plate capacitor C = A d Capacitors with dielectrics C = A d Electric current I = Q t Ohms Law: V = IR Electric Power P = IV conductor rule: loop V = 0 At any node I = 0 Series combination of resistances R = R 1 + R 2 Parallel combination of resistances 1 R = 1 R 1 + 1 R 2 Magnetic force...
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review - PHY-2054C-002, Fall 2008 Instructor: Dr....

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