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When two electrons enter into a magnetic...

When two electrons enter into a magnetic field with different velocieis, they deflect in different circular paths, in such a way that the radius of one path is double that of the other. `1X10^(7)ms^(-1)` is the velocity of the electron in smaller of radius `2xx10^(3)m` . The velocity of electron in the other circular path is `:`

A

`4 xx 10^7 ms^(-1)`

B

`4 xx 10^6 ms^(-1)`

C

`2 xx 10^7 ms^(-1)`

D

`2 xx 10^(-6) ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
`v = (qBr)/(m)`
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