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Chapter 28: Q23P (page 830)
What uniform magnetic field, applied perpendicular to a beam of electrons moving at m/s, is required to make the electrons travel in a circular arc of radius 0.350 m?
The required magnetic field is .
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A certain particle is sent into a uniform magnetic field, with the particle鈥檚 velocity vector perpendicular to the direction of the field. Figure 28-37 gives the period Tof the particle鈥檚 motion versus the inverseof the field magnitude B. The vertical axis scale is set by, and the horizontal axis scale is set by what is the ratio m/qof the particle鈥檚 mass to the magnitude of its charge?
An electron that has velocity =(m/s)+ (3.0m/s)moves through the uniform magnetic field = .(a)Find the force on the electron due to the magnetic field. (b)Repeat your calculation for a proton having the same velocity.
A proton, a deuteron (), and an alpha particle () all having the same kinetic energy enter a region of uniform magnetic field, moving perpendicular to it. What is the ratio of (a) the radius rd of the deuteron path to the radius rpof the proton path and (b) the radius of the alpha particle path to rp?
A wire lying along a yaxis from y=0to y=0.250mcarries a current of 2.00mAin the negative direction of the axis. The wire fully lies in a nonuniform magnetic field that is given by
In unit-vector notation, what is the magnetic force on the wire?
A wire m long carries a current of A and makes an angle of with a uniform magnetic field of magnitude T. Calculate the magnetic force on the wire.
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