A charged particle carrying charge 1 is moving with velocity (2 i +3 j +4 k ) m/s. If an external magnetic...

Question

A charged particle carrying charge 1 is moving with velocity (2 i +3 j +4 k ) m/s. If an external magnetic field of (5 i +3 j -6 k ) 10^ -3 T, exists in the region where the particle is moving then the force on the particle is F 10^ -9 N. The vector F is-

Accepted Answer

(C)

JEE Main 2020 Physics question

Solution