Electr Summing Up 1. Current is passing through the center of a platform that supports four compasses. You are looking straight down at the platform. What is the direction of the current in each configuration shown below: coming toward you or going away from you? a. b. 2. The direction of the magnetic field around a wire can be related to the direction of the current in the wire. If you imagine grabbing the wire with your thumb pointing in the direction of current, your fingers wrap around the wire in the direction of the magnetic field. Which hand must you use for this exercise to give the correct relationship between the direction of the current and the direction of the magnetic field: your left or right? 3. What is the source of all magnetic fields