Exercises 6.6: Crossed fields

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6.6.1 Here is a frame from "drude" showing the electron velocities in crossed electric and magnetic fields. The dimensions of the velocity display are 8x10^5 m/s by 8x10^5 m/s.

A) Estimate (omega-c)(tau) for this system.

B) If the magnetic field is 1 Tesla, what is the value of the electric field?