Question

An electron moves with a speed v along positive direction of x axis if a magnet field b acts along the positive y direction the the force on the electorn will be act along

Answer 1

Answer:

-ve  z axis

Explanation:

We use left hand rule or right hand palm rule or  cockscrew rule

as electron moves in positive x axis the current I is in -ve x axis

B is in +ve y axis

then -ve z axis is the direction of lorentz force

or u can just use vector cross product [-i x j ] = -k