Question

An electron enters uniform magnetic field B= 0.20 T at angle 45 degrees to B with...

An electron enters uniform magnetic field B= 0.20 T at angle 45 degrees to B with speed v=2.8*10^6 m/s. Find pitch (distance between loops) of the electron's helical path.

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Answer #1

Find the parallel component of velocity and use the time period of circular motion to find the required pitch as shown below

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