Physics 1 Problem Solutions 231

Physics 1 Problem Solutions 231 - Chapt. 30 Currents...

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

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

Unformatted text preview: Chapt. 30 Currents Causing Magnetic Fields Multiple-Choice Problems 030 qmult 00100 1 1 5 easy memory: electro-magnetic connection Extra keywords: physci if magnetism is covered 1. Hans Christian rsted (17771851) in 1820 found that a current (of electric charge) generated: a) a Bessel function. b) a Hermite polynomial. c) Michael Faraday. d) a Hookes law force. e) a magnetic force. 030 qmult 00110 1 1 4 easy memory: cause of magnetic fields 2. Magnetic fields are caused by time-varying electric fields and by: a) magnetic monopoles. b) magnetic torques. c) static charge distributions. d) currents and elementary particle magnetic dipoles. e) streams. 030 qmult 00120 1 1 1 easy memory: Biot-Savart law 3. The Biot-Savart law is: a) d vector B = 4 I dvectors r r 2 . b) vector E ( vector r ) = kq r 2 r . c) contintegraldisplay vector B dvectors = I enc . d) contintegraldisplay vector E d vector A = q enc . e) E = mc 2 ....
View Full Document

This note was uploaded on 11/16/2011 for the course PHY 2053 taught by Professor Buchler during the Fall '06 term at University of Florida.

Ask a homework question - tutors are online