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Chapter 28: Q40P (page 831)
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.
The magnetic force on the wire is .
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A wirelong carries a current in the positive direction of an xaxis through a magnetic field . In unit-vector notation, what is the magnetic force on the wire?
An electron moves in a circle of radiuswith speed . Treat the circular path as a current loop with a constant current equal to the ratio of the electron鈥檚 charge magnitude to the period of the motion. If the circle lies in a uniform magnetic field of magnitude mT, what is the maximum possible magnitude of the torque produced on the loop by the field?
In a certain cyclotron a proton moves in a circle of radius 0.500 m. The magnitude of the magnetic field is 1.20T.
(a)What is the oscillator frequency?
(b)What is the kinetic energy of the proton, in electron-volts?
A particle of charge q moves in a circle of radius r with speed v. Treating the circular path as a current loop with an average current, find the maximum torque exerted on the loop by a uniform field of magnitude B.
Question: A wire lying along an xaxis fromto carries a current of in the positive xdirection. The wire is immersed in a nonuniform magnetic field that is given by localid="1663064054178" In unit-vector notation, what is the magnetic force on the wire?
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