Circular Motion of Charges: An electron moving perpendicular to a uniform magnetic field of 0.22 T moves in a circle with a speed of 1.5 × 107 m/s. What is the radius of the circle? (e = 1.60 × 10-19 C, melectron = 9.11 × 10-31kg)
A. 1.5 mm
B. 0.22 mm
C. 2.2 mm
D. 0.39 mm
E. 3.9 mm
Answer: E
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Answer the following statement(s) true (T) or false (F)
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