Calculate the magnitude of the force due to a magnetic field of 0.40T on an electron moving perpendicular to the field with a speed of 4.00 × 106ms-1 (e 1.60 × 10-19C]
-
A.
6.40 × -10 -
B.
6.40× 10-13N -
C.
2.56 × 10-13N -
D.
1.60 × 10-12N -
E.
2.30 × 10-11N