29. Sources of Magnetic Field
Magnetic Field Produced by Moving Charges
4:55 minutes
Problem 25b
Textbook Question
Textbook QuestionThe current in a wire varies with time according to the relationship I = 55 A - (0.65 A/s^2)t^2 . (a) How many coulombs of charge pass a cross section of the wire in the time interval between t = 0 and t = 8.0 s? (b) What constant current would transport the same charge in the same time interval?
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