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An electron is moving with a^4 velocity ...

An electron is moving with `a^4` velocity `5 xx 10^(6) ms^(-1) hat i` in a uniform electric field of `5 xx 10^(7) Vm^(-1) j`. Find the magnitude and direction of minimum uniform magnetic field in tesla that will cause the electron to move underviated along is original path.

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AAKASH SERIES-ELECTROMAGNETICS-PROBLEMS (LEVEL -II)
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