Alpha particles of mass 6.68 10-27 Kg and charge 3.2 10-19 C is ac – McqOptions

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1.	Alpha particles of mass 6.68 10-27 Kg and charge 3.2 10-19 C is accelerated in a cyclotron in which a magnetic field of 1.25 T is applied perpendicular to the dees. How rapidly should the electric field between the dees be reversed?
A.	5.25 10<sup>-8</sup> s
B.	955.25 10<sup>-8</sup> s
C.	55.25 10<sup>-8</sup> s
D.	575.25 10<sup>-8</sup> s
Answer» B. 955.25 10<sup>-8</sup> s

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