102%20final%20formula%20sheet

102%20final%20formula%20sheet - PHYSICS 102...

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Unformatted text preview: PHYSICS 102 "Formula" Sheet Constants : k = 9 x 10 9 ¡ o = (4 ¢ k)-1 = 8.85 x 10-12 μ o = 4 ¢ x 10-7 c = 3.00 x 10 8 h = 6.63 x 10-34 e = 1.602 x 10-19 (all in appropriate MKS units) 1eV = 1.602 x 10-19 joule hc = 1240 eV-nm Avogadro's Number = 6.023 x 10 23 atoms/mole Force Between Point Charges : 2 2 1 r q q k F = (repulsive for like charges, attractive for unlike charges) Electric Field : ¡ = = 2 / r q k q F E ¡ ¡ Between parallel plates: o E ¡ ¢ = Potential Energy : Two point charges: r q q k PE 2 1 = Gravitation (near earth): PE = mgh Electric Potential : q PE V = Potential of point charges: ¡ = r q k V Capacitance : V Q C = (coulomb/volt = farad ) 2 2 2 2 2 QV C Q CV PE = = = Parallel Plates: d A C o ¡ ¢ = Note: 1 μ c = 1 microcoulomb = 1 x 10-6 coulomb, 1 μ f = 1 microfarad Electric Current (amperes) : V=IR A R ¡ ¡ = (volts/ampere £ ohms ) Power: R V IV R I P 2 2 = = = Combinations: Series: ¡ = i eq R R Parallel: ¡ = i eq R R 1 1 , ¡ = i eq C C 1 1 ¡ = i eq C...
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This note was uploaded on 10/04/2009 for the course PHYS 750:204 taught by Professor Rollino during the Spring '09 term at Rutgers.

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102%20final%20formula%20sheet - PHYSICS 102...

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