Study Guide for Exam 2
Study Guide for Exam 2 PHY 111
Popular in Physics For Science And Engineering II
Popular in Physics 2
This 3 page Study Guide was uploaded by Katie Christopher on Sunday October 18, 2015. The Study Guide belongs to PHY 111 at Illinois State University taught by Rebecca Rosenblatt in Summer 2015. Since its upload, it has received 62 views. For similar materials see Physics For Science And Engineering II in Physics 2 at Illinois State University.
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Date Created: 10/18/15
Relevant Equations Resistors In series Vtotal V1 V2 I 21112 total R1R2 equivalent In parallel Vtotal 2 V1 V2 I IlI2 total 1 1 equivalent R1 R2 V voltage I current i Z W Kirchhoff s Rules 2 A V 0 for an entire circuit Exam 2 Study Guide OR V lIRO battery C 2 IL 2 2 out at a p oint E the circuit RC Circuits Can be related to Short term as soon as switch is switched on qqo0 V ba e IO R y Lono term after a laroe amount of time has passed 0 capacitor qwCV battery As time passes from initial time of switch goes down and q goes up t qltlqw1 eR C t ItIOeE Maonetic force qu xfa OR FIZX73 Dipole Moment DH Z El Where N is number of turns in loop and A is area of loop Tt0rque X Largest when l7 is perpendicular to B BiotSavart Law 0 I Hr B for an in nite wire of current OR I 0 R2 2 B for a loop of current w le Ampere39s Law Like Gauss Law IE 39uO enclosed Concepts Rioht Hand Rules A x B pointer nger goes in A vector direction other ngers curl in B vector direction thumb points in resulting direction 0 Magnetic Force pointer nger for velocity ngers for velocity 0 Torque Fingers curl along applied force thumb is resulting torque ALWAYS along axis of rotation 0 Magnetic Dipole moment Fingers along of the loop thumb is in direction of magnetic moment RC Circuits In RC circuits after a switch is closed current going through a capacitor eventually fades to 0 0 Voltage in capacitor eventually equals voltage from battery after it charges Currents forces and magnetic elds Currents through wire Currents in same direction attract currents in opposite directions repel Magnetic elds produce NO FORCE if charge being enacted on is not moving Ampere39s Law uses most of the same techniquestricks that Gauss39 Law does 0 Includes using Gaussian surfaces subtraction of areas for surfaces of hollow objects to nd current within object etc
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