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The electron in a hydrogen atom moves in...

The electron in a hydrogen atom moves in circular orbit of radius `5xx10^(-11)m` with a speed of `0.6pixx10^(6)m//s` then

A

the frequency of revolutions of the electron is `6 xx 10^(-15) rev//s`

B

the electron carries `-1.6 xx 10(-19)C` around the loop

C

the current in the orbit is `0.96 mA`

D

the current flow in the opposite direction to the direction of motion of electron

Text Solution

Verified by Experts

Electric current at a point on the circle
`i = fe, where f = frequency =(omega)/(2pi)=(v)/(2pir)=(0.6xx10^(6)xxpi)/(2pixx5xx10^(-11))=6xx10^(15)rev//s(0.6xx10^(6)xxpi)/(2pixx5xx10^(-11))=6xx10^(15)rev//s`
`i=6xx10^(15)xx1.6xx10^(-19)`= `0.96 xx 10^(-3)A = 0.96 mA`
therefore Hence, all the options are correct
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