Question:

A charged particle enters a uniform magnetic field with a velocity v at right angles to the field. It moves in a circle with period T. An identical particle enters the field with a velocity v/2. What

A charged particle enters a uniform magnetic field with a velocity v at right angles to the field. It moves in a circle with period T. An identical particle enters the field with a velocity v/2. What is its period?
(A) 4T
(B)2T
(C)T
(D)T/2

A charged particle enters a uniform magnetic field with a velocity v at right angles to the field. It moves in a circle with period T. An identical particle enters the field with a velocity v/2. What is its period? (A) 4T (B)2T (C)T (D)T/2

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