1.

The parallel plate capacitor has potential difference of 100 V and separation between the plate is 1 mm. An electron is projected along x axis in between the plates. If the electron comes out of the plates along the x axis undevated then the magnitude and direction of magnetic field that must be applied between the plates : (particle is projected with a velocity of 10^5 m//s along x axis)

Answer»

`B = 1 hatk` TESLA
`B = 1 HATJ` Tesla
`B = 1(- hatj)` Tesla
`B = 10 (-hatj)` Tesla

Answer :B


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