Particle Accelerators: a Deuteron Has the Same Charge as a Proton

question 39

Multiple Choice

Particle accelerators: A deuteron has the same charge as a proton but approximately twice the proton mass. Suppose deuterons are being accelerated in a cyclotron in an orbit of radius 75 cm at a frequency of 8.0 MHz. What magnetic field magnitude is needed? (e = 1.60 × 10^-19 C, m_proton = 1.67 × 10^-27 kg)

• A) 0.011 T
• B) 0.11 T
• C) 1.1 T
• D) 11 T
• E) 110 T

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