PhysicsMediumHigh School (11–12)Electricity & Magnetism › Magnetic Effects of CurrentBoard ExamAPA-LevelIB
Created by StemPy LabA proton is sped up from rest through V and enters a magnetic field of T at right angles. What is the radius of its circle?
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← A particle carries two elementary charges and has four times the mass of a proton. At 4.1 × 10⁵ m/s it crosses a uniform field of 0.65 T at right angles. Take mp = 1.67 × 10⁻²⁷ kg. What is the acceleration of the particle?A student says: "A proton that moves faster takes less time to go once round its circle in the same field." What is wrong with this statement? →
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