A Proton Moving with a Speed of 2

question 61

Multiple Choice

A proton moving with a speed of 2.9 × 10⁵ m/s perpendicular to a uniform magnetic field of 0.35 T will follow which of the paths described below? (q_p = 1.6 × 10−¹⁹ C and m_p = 1.67 × 10−²⁷ kg)

• A) a straight line path
• B) a circular path of 0.9 cm radius
• C) a circular path of 2.2 cm radius
• D) a circular path of 0.31 cm radius
• E) ​a circular path of 2.5 cm radius

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