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A potential difference of 600 volts is a...

A potential difference of `600 volts` is applied across the plates of a parallel plate consenser . The separation between the plates is `3mm`. An electron projected vertically, parallel to the plates , with a velocity of `2 xx 10^(6) m//sec` moves underflected between the plates. Find the magnitude and direction of the magnetic field in the region between the condenser plates. ( Neglect the edge effects). ( Charge of the electron `= -1.6xx10^(-19) coulomb)

A

`0.1`, vertically downward

B

0.2 vertically downward

C

0.3 vertically upward

D

0.4 vertically downward.

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The correct Answer is:
A
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