Plz help !!!a charged particle is fired at an angle(say x) to a uniform magnetic field directed along x-axis.During its motion along a helical path,the particle will1.never move parallel to the x axis.2.move parallel to the x-axis once during every rotation for all values of 'x'.3.move parallel to the x-axis at least once during every rotation if 'x'=45 degrees.4.never move perpendicular to x- direction.one or more options may be correct.

Kevin Nash , 10 Years ago

Grade upto college level