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An electron having 182 eV kinetic energy...

An electron having 182 eV kinetic energy is moving on a circular path in a magnetic field of `10^(-4)T `. The speed of the electron is ......

A

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

B

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

C

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

D

`32 xx 10^14 ms^(-1)`

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