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| [1] | A particle carrying the charge of  electrons travels at right angles to a magnetic field of
Telsa , while traveling at v= m/s . What force is on the particle?
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| [2] | An electron travels at v= m/s in a plane perpendicular to a B= Tesla magnetic
field. Describe the path of the electron.
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| [3] |  | What is the velocity must a proton have if it is to go undeflected when passing through a magnetic field of
B= Tesla which is crossed with an electric field of E= V/m ?
Here, the E-field is the red arrows, and the B-field is the blue crosses. So the E-field points down and the B-field points into the screen. The proton is the black dot, moving with some speed v shown by the black arrow.
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| [4] | How fast must an electron travel in a B-field of strength Tesla to travel in a circle of radius
r= m ? The magnetic field is perpendicular to the velocity of the electron.
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| [5] |  | A particle of mass m= kg has a charge of q= C . It is traveling to the right
at a speed of v= m/s . It travels in a region containing a B-field. The B-field points straight up, as
shown by this figure.
The B-field has a strength of B= |
| [6] |  | A particle is shot into a magnetic field region as shown here.
If the particle is shot in with a speed of v= |
| [7] |  | A proton enters a magnetic field region with B= Tesla , and a speed v= m/s at an angle
\theta= degrees as shown. The dimensions of the box containing the magnetic field are
y= m by x= m .
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