Physics 1 Problem Solutions 229

Physics 1 Problem Solutions 229 - Chapt. 29 Magnetic Fields...

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Unformatted text preview: Chapt. 29 Magnetic Fields Causing Forces 225 029 qmult 00730 1 4 1 easy deducto-memory: Hall effect Extra keywords: Hall effect 26. The Hall effect showed that: a) the charge carriers in metals had negative charge. b) the charge carriers in metals had positive charge. c) the charge carriers in metals had neutral charge. d) the charge carriers in metals had both negative and positive charge. e) metals had no charge carriers. Full-Answer Problems 029 qfull 00400 2 3 0 mod math: electron in crossed E and B fields 1. A free electron is in a region of uniform electric and magnetic fields. (Recall e = 1 . 602 10 19 C and m e = 9 . 109 10 31 kg.) The system is described by Cartesian coordinates. The electrons initial velocity is (0 . , 5 . , 5 . 0) 10 3 m / s and it has a constant acceleration in the x-direction of 2 . 10 12 m / s 2 . In the y- z plane it is merely circling. The magnetic field is (400 , , 0) T: note the given units are MICROTESLAS ....
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