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Q.

In a hydrogen atom, an electron is revolving with an angular frequency 6.28 rad/s around the nucleus. Then the equivalent electric current is ........ $10^{- 19}$ A

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a

16

b

1.6

c

0.16

d

0.016

answer is B.

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Detailed Solution

$Time period = \frac{2 π}{Angular frequency} = 1 \sec$

$Current = \frac{Charge}{time period} = \frac{1.6 x 10^{- 19}}{1} = 1.6 x 10^{- 19} A$

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