Please solve 28

Please solve 28 Numericals in Physics 28. drop is suspended in a uniform electric field of strength 9 x voWrnetre. Calculate the charge on the drop if its mass is9 v kg, 10 m/sec2) 10-19 coulomb. . An electron is projected into a magnetic field Of induction weber/rn: wit a velocity of 106 m/sec (a) along the direction of field. and (b) at right angle to the direction Of the field. Calculate fryce on tix electron in both the case. Am. (a) zero. (b) 6-4 x 10-1' N in a direction perpendicular to

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