This is rather primitive, but might be fun. Take a look at the left sidebar, where a fundmentals multiple choice question masquerades as a poll. Feel free to vote... your response is anonymous. I can't figure out how to format equations properly in the poll. The text editor won't allow html tags. Any thoughts?
I'll leave the poll up until I get a few votes. Then, if there's disagreement about the answer, I'll write a post about it.
UPDATE -- Okay, I screwed up the initial poll question. It asks for magnitude and direction of the electric field, and I left off the direction choices. Apologies.
GCJ
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