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2 cards from this section. Quick, good the night before a test.
What is an electric field?
Think about how charges interact.
Do electric field lines ever cross?
Consider what crossing lines would mean for a point.
What does an electric field represent?
Think about how a charge interacts with other charges.
True or False: Electric fields can exist without a source charge.
Reflect on whether the field requires a charge to exist.
Calculate the strength of the electric field at a point 3 m away from a charge of +8 μC.
Remember to square the distance!
Describe how electric fields influence the behavior of a charged particle in motion.
Consider Newton's laws of motion.
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