A charged particle moves through avelocity selector at constant velocity. Thevelocity selector is configured with"crossed" electric and magnetic fields ofmagnitude E = 1.5 × 104N/C and66В — 0.6T.What is the velocity of the chargedmparticle? 25000SWhen the electric field is turned off, thecharged particle travels in a circular path ofradius 10 mm, as it travels through themagnetic field (still at B = 0.6T). What isthe mass-to-charge ratio of the particle?4.1х10 7 a) At what speed will a proton move in acircular path of 4.25 m where the fieldstrength is 0.96×10-5 T?m/sb) What would the radius of the path be ifthe proton had a speed of 7.4 x10® m/s?III

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