Equations - Midterm 1 - Constants 19 10 60 . 1 = e C 9 10 ....

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Constants 19 10 60 . 1 = e C 9 10 . 9 = k Nm 2 /C 2 4 1 = 12 10 85 . 8 4 1- = k C 2 /Nm 2 7 10 4- = N/A 2 or Tm/A Coulombs Law , r r q kq F 2 2 1 12 = Electric Fields, E q F = Field of Point Charge: r r kq q F E test 2 = = Continuous Charge Distributions: = r r dq k E 2 Acceleration of Particle: E m q a ) / ( = E of line/wire = r k 2 , = charge per unit length, drops as 1/r Dipoles , from to +, drops as 1/r 3 Dipole moment: qd p = Torque: sin = = E p E p Work=PE= E p U - = Electric Flux A E A d E = = Gauss Law enc q A d E = > Spherical Symmetry , radius=R Outside: 2 4 r kQ r Q E = = , drops as 1/r 2 Inside (uniformly charged): 3 R kQr E = Inside (hollow): = E > Line Symmetry , =Charge per unit length Outside: r E 2 = , drops 1/r Inside (hollow): = E Gausss Law ( cont) : > Plane Symmetry , =Charge per unit area Outside: 2 = E > Electric field=0 inside conductor in electrostatic equilibrium, charges on surface > Any net charges reside on conductors surface > Electric field at the surface is perpendicular and / = E Electric Potential PE Difference: - = B A AB r d F U Electric Potential Diff.: - = B A AB r d E V AB AB U V q = Potential of Point-Charge: r kq V r = P. of Continuous Charge Dis.: = r dq k V Dipole Potential: 2 cos r kp V = Equipotential: dx dV E x- = Energy Density: 2 2 1 E u E = Total Electric Energy stored in field: = = 2 2 1 E dV u U E Capacitors , Capacitance= V Q C / = Parallel-plate Capacitors: d A C / = Energy Stored in Cap.: 2 2 1 CV U = Capacitors in Parallel: 2 1 C C C + = > Capacitors in Parallel have same Voltage....
View Full Document

This note was uploaded on 04/02/2008 for the course PHYSICS 8B taught by Professor Shapiro during the Fall '07 term at University of California, Berkeley.

Page1 / 3

Equations - Midterm 1 - Constants 19 10 60 . 1 = e C 9 10 ....

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online