1. Compute the time requied to pass 36,000 coulombs of charge through an electroplating bath using a current 5 amps
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The current in a conductor varies with time as shown in the figure. (a) How many coulombs of charge pass through a cross-section of the conductor in the interval from t = 0 to t = 5.0 s? (b) What constant current would transport the same total charge during the 5.0-s interval as does the actual current?
A point charge causes an electric flux of -576 N-m2/C to pass through a spherical Gaussian surface of 12.0 cm radius centered on the charge. (a) If the radius of the Gaussian surface were doubled, how much flux would pass through the surface? (b) What is the value of the point charge in coulombs?