Sample Problem The electric field in a given region is 4000 N/C pointed toward the north. What is the Notes: Electric Fields (20.4-20.5, 20.7), cont. force exerted on a 400 μg Styrofoam bead bearing 600 excess electrons when placed in the field? Sample Problem has 600 excess electrons on its surface. What is the A 400 μg Styrofoam bead magnitude and direction of the electric field that will suspend the bead in midair? Sample Problem A proton traveling at 440 m/s in the +x direction enters an electric field of magnitude 5400 N/C directed in the +y direction. Find the acceleration. Electrophoresis Summary
Notes: Electric Fields (20.4-20.5, 20.7), cont. Sample Problem Sample Problem Sample Problem Electrophoresis The electric field in a given region is 4000 N/C pointed toward the north. What is the force exerted on a 400 μg Styrofoam bead bearing 600 excess electrons when placed in the field? A 400 μg Styrofoam bead has 600 excess electrons on its surface. What is the magnitude and direction of the electric field that will suspend the bead in midair? A proton traveling at 440 m/s in the +x direction enters an electric field of magnitude 5400 N/C directed in the +y direction. Find the acceleration. Summary
05_notes_electric_fields.docx