The electron with charge q = (1. 6 x 10-19 C) moves in an orbit of radius 5 x 10-11 m with a speed of 2.2 x 106 ms-1, around an atom. The equivalent current is

Current, i=qf=q(v2πr)=1.6×10−19(2.2×106)(2π)(5×10−11)=1.12×10−3A

The electron with charge q = (1. 6 x 10-19 C) moves in an orbit of radius 5 x 10-11 m with a speed of 2.2 x 106 ms-1, around an atom. The equivalent current is

Current, i=qf=q(v2πr)=1.6×10−19(2.2×106)(2π)(5×10−11)=1.12×10−3A

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The electron with charge q = (1. 6 x 10^-19 C) moves in an orbit of radius 5 x 10^-11 m with a speed of 2.2 x 10⁶ ms^-1, around an atom. The equivalent current is

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1.12 x 10^~6 A

1.12 x 10^-3 A

1.12 x 10^~9 A

1.12 A

answer is B.

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Detailed Solution

Current, $i = q f = q (\frac{v}{2 π r}) = \frac{1.6 \times 10^{- 19} (2.2 \times 10^{6})}{(2 π) (5 \times 10^{- 11})}$

$= 1.12 \times 10^{- 3} A$

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The electron with charge q = (1. 6 x 10-19 C) moves in an orbit of radius 5 x 10-11 m with a speed of 2.2 x 106 ms-1, around an atom. The equivalent current is

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The electron with charge q = (1. 6 x 10^-19 C) moves in an orbit of radius 5 x 10^-11 m with a speed of 2.2 x 10⁶ ms^-1, around an atom. The equivalent current is