In acyclotron, a charged particle
In a cyclotron, a charged particle speeds up between the dees due to the electric field, while the magnetic field inside the dees keeps it moving in a circular path without changing its speed. Hence, the correct answer is (B).
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(A) is correct. In a cyclotron, a charged particle undergoes continuous acceleration. It speeds up between the dees due to an alternating electric field but moves in circular motion inside the dees at constant speed due to the magnetic field. The repeated acceleration increases its energy, making it spiral outward.
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