Upgrade to access all content for this subject
Two long, straight wires have currents flowing in opposite directions as shown in the diagram below.
Created for Albert.io. Copyright 2016. All rights reserved.
If the amount of current in each wire is equal, at which point or points could the magnetic field be zero?
A and B only.
D and E only.
It is not possible for the magnetic field to be zero at any of these points.