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An electron (mass =9.0xx10^(-31) kg and ...

An electron (mass `=9.0xx10^(-31)` kg and charge `=1.6xx10^(-19)` coulomb) is moving in a circular orbit in a magnetic field of `1.0xx10^(-4)"weber"//m^(2)`. Its perido of revolution is

A

`3.5xx10^(-7)` second

B

`7.0xx10^(-7)` second

C

`1.05xx10^(-6)` second

D

`2.1xx10^(-6)` second

Text Solution

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The correct Answer is:
A
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