2010 PHYSICS 002C Lecture 09

# 2010 PHYSICS 002C Lecture 09 - PHYSICS 002C Lecture 09...

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PHYSICS 002C Lecture 09 April 16, 2010 Coulomb’s torsion balance Serway and Jewett Chapter 24.1-3 – Electromagnetic Waves DEMO: Coulomb’s law and the Mummy! DEMO: There are no magnetic poles – Mars suspended in space! Clicker Q1: Which one is a wave equation? a) 0 ) , ( 1 ) , ( 2 2 2 2 2 t t x y v x t x y ; b) 0 ) , ( ) , ( 2 2 2 2 2 t t x y v x t x y ; c) 0 ) , ( ) , ( 2 2 2 2 z t x y x t x y ; d) 0 ) , ( 1 ) , ( t t x y v x t x y ; e) 0 ) , ( ) , ( 2 2 2 2 t t x y x t x y Clicker Q2: Who discovered Maxwell’s equations? a) James Clerk Maxwell; b) Coulomb, Ampere, and Faraday; c) Ulysses S. Grant; d) a and b; e) gap. Chap 24.1 Displacement current – Introducing the mysterious world of fields. You have already learned (1) Coulomb’s law 12 2 2 1 ˆ r r q q k F e e Eq 19.1 (2) There are no magnetic monopoles (magnetic charges) Ch 22.1 (3) Faraday’s Law of Induction Eq. 23.2 (4) Ampère’s circuital law Eq. 22.29 To arrive at the wave equation for light we need to Make Maxwell’s amazing correction to Ampère’s law. Write the Faraday and Ampère-Maxwell laws in integral or differential form.

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## This note was uploaded on 09/23/2010 for the course PH 02c taught by Professor Mile during the Spring '04 term at Riverside Community College.

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2010 PHYSICS 002C Lecture 09 - PHYSICS 002C Lecture 09...

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