In a hydrogen atom, an electron moves in an orbit of radius 5.0 × 10- – McqOptions

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1.	In a hydrogen atom, an electron moves in an orbit of radius 5.0 × 10-11 m with a speed of 2.2 × 106 m/s. What is the equivalent current?
A.	0.112 mA
B.	112 mA
C.	1.12 mA
D.	11.2 mA
Answer» D. 11.2 mA

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