Abeam of electrons is accelerated through a potential difference of 10 kv before entering a velocity selector. if the b-field of the velocity selector is perpendicular to the velocity and has a value of 0.03 t, what value of the e-field is required (in the magnetic field region) if the particles are to be undeflected
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Abeam of electrons is accelerated through a potential difference of 10 kv before entering a velocity...
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