eqs(3) - Laws, Principles, Useful Relationships,r and Other...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Laws, Principles, Useful Relationships, and Other Information Coulomb's Rule r F e = k q 1 q 2 2 r ˆ r Def'n of E-Field r E r F q E-Field for Point Charge r E = k q 2 r ˆ r Electric Potential V = - r E d r s Def'n of Potential U q V Potential of a Charge V = k q r Def'n of Capacitance C Q V Cap. of Parallel Plates C = ε o A d Energy in C's U = 1 2 Q 2 C = 1 2 C V 2 Energy in E-Fields u U vol = 1 2 ε o E 2 B-Field u m = B 2 2 μ o C's: Series 1 C s = 1 C i Parallel C p = C i Dipoles: Def’ns r μ≡ I r A and r p q r d Torque r τ= r p × r E or r τ= r μ× r B Energy U = - r p r E or U = - r μ• r B Def'n of Current I dQ dt Def'n of Resistance R = ρ l A Ohm's Rule V = IR Power P = IV = V 2 R = I 2 R R's: Series R s = R i Parallel 1 R p = 1 R i RC: Charge q = CV 1 - e - t RC discharge q = CV o e - t RC Force Between Wires F m = μ o 2 π I 1 I 2 r l Def'n of B-Field r F I r l × r B Force on a Charge
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/11/2012 for the course PHYSICS 204B taught by Professor Staff during the Fall '09 term at CSU Chico.

Ask a homework question - tutors are online