A Proton,mass 1

question 58

Multiple Choice

A proton,mass 1.67 × 10−²⁷ kg and charge +1.6 × 10−¹⁹ C,moves in a circular orbit perpendicular to a uniform magnetic field of 0.66 T.Find the time for the proton to make one complete circular orbit.

• A) 3.2 × 10−⁸ s
• B) 9.9 × 10−⁸ s
• C) 5.0 × 10−⁸ s
• D) 1.6 × 10−⁸ s
• E) ​Not enough information is given.

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