A particle moves along a circle in a region of uniform magnetic field with a mag
ID: 2194620 • Letter: A
Question
A particle moves along a circle in a region of uniform magnetic field with a magnitude B. The particle is either a proton or an electron (you must decide which based on the figure). It experiences a magnetic force of magnitude F. (Use any variable or symbol stated above along with the following as necessary: e for the charge of an electron and the charge of a proton, me for the mass of an electron, and mp for the mass of a proton.)
http://www.webassign.net/hrw8/28-41.gif
(a) What is the particle's speed?
(b) What is the radius of the circle?
(c) What is the period of the motion?
Explanation / Answer
mv^2/r = qvB so, v = qBr/m so, speed of particle = (F/e*B) where e = electron charge, B=magnetic field,r = radius of the circular path.Related Questions
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