HW6-problems

HW6-problems - aliu (fa5484) HW6 mackie (20225) 1 This...

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Unformatted text preview: aliu (fa5484) HW6 mackie (20225) 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points The compressor on an air conditioner draws 36 . 6 A when it starts up. The start-up time is about 0 . 313 s. How much charge passes a cross-sectional area of the circuit in this time? Answer in units of C. 002 10.0 points The current in a wire decreases with time according to the relationship I = (1 . 17 mA) e- a t where a = 0 . 13328 s- 1 . Determine the total charge that passes through the wire from t = 0 to the time the current has diminished to zero. Answer in units of C. 003 (part 1 of 2) 10.0 points The quantity of charge passing through a sur- face of area 1 . 73 cm 2 varies with time as q = q 1 t 3 + q 2 t + q 3 , where q 1 = 2 . 1 C / s 3 , q 2 = 6 . 1 C / s, q 3 = 6 . 8 C, and t is in seconds....
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This note was uploaded on 04/27/2011 for the course PHYS 2202 taught by Professor Mackie during the Spring '11 term at Temple.

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