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A particle of charge -32 xx 10^(-18) cou...

A particle of charge `-32 xx 10^(-18)` coulomb moving with velocity 20 `ms^(-1)` along the x-axis enters a region where a magnetic field of induction B is along the y-axis, and an electric field of magnitude `5 xx 10^(4)` V/m is along the negative z-axis. If the charged particle continues moving along the x-axis, the magnitude of B is

A

`7 xx 10^(3) Wb//m^(2)`

B

`2.5 xx 10^(3) Wb//m^(2)`

C

`10^(4) Wb//m^(2)`

D

`5 xx 10^(-3) Wb//m^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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