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An electron mass =9xx10^(-31)kg charge=1...

An electron mass =`9xx10^(-31)kg` charge=`1.6xx10^(-19)`C moving with a velocity of `10^6`m/s enters a region where magnetic field exists if it describes a circle of radius 0.10m the intensity of magnetic field must be

A

`1.8xx10^(-4)T`

B

`5.6xx10^(-5)T`

C

`14.4xx10^(-5)T`

D

`1.4xx10^(-6)T`

Text Solution

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The correct Answer is:
B
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