Question

A particle of mass 1.2616 x 1025 kg and charge of magnitude 3.2 x 10-19 C is acceler- ated from rest in the plane of the page through a potential difference of 304 V between two parallel plates as shown. The particle is in- jected through a hole in the right-hand plate into a region of space containing a uniform magnetic field of magnitude 0.287 T oriented perpendiceular to the plane of the page. The particle curves in a semicircular path and strikes a detector. Region of Magnetie Field B hole
006 (part 6 of 6) 10.0 polnts What is the work done by the magnetic field on the charged particle during the semicircu- lar trip? 1. W 4.864 x 10 17 J 2, W 4.861 x 10-17 J 3. W 6.19304 x 10-17 J 4, W-9.728 x 10-17 J 5. W 9.728 x 10 17 J 7. W 6.19304 x 10 I7 J s. W 1.9156 x 10 16 J
The speed is 3.9270E4
The force is 3.607E-15
The distance from the point of injection to the detector is .10789
0 0
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Answer #1

work done by magnetic field is Zero W= 0 J .

as force due to magnetic field is always perpendicular to the displacement of the charged particle

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