Q. In a hydrogen atom, an electron moves in an orbit of radius 5.0 x 10-11 m with a speed of 2.2 x 106 m/s. What is the equivalent current? (Electronic charge = 1.6 x10-19 C)
A) 112 mA
B) 0.112 mA
C) 1.12 mA
D) 11.2 mA
✔ Correct Answer: 1.12 mA
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