calculate the force acting on an electron of charge 1.6x10^-19C placed between two charged parallel plates wher the electric field strength is 100N/C

Rohit is trying to tune an instrument

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.