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HELP HOME PAGE Make a Practice Test Some Hints & Solutions Introductory Topics Kinematics Mechanics Thermodynamics Optics Electric Fields Magnetic Fields Electric Circuits Vibrations and Waves ** "Reload" or "Refresh" the page to make another test from the same selection of problem types (F5 in Internet Explorer). Select a new problem set. A small charge is at the center of a 1.17 cm radius ball. If 9.755 E-8 N.m2/C passes through the ball's surface, how much charge is at the center? C ? A small charge is at the center of a 11.49 cm radius ball. If 5.144 E-8 N.m2/C passes through the ball's surface, how much charge is at the center? C ? A small charge of 697 C is at the center of a 10.71 cm radius ball. How much flux passes through the ball's surface? N.m2/C ? A small charge of 943 C is at the center of a ball. If 1.047 E-7 N.m2/C passes through the ball's surface, what is the radius of the ball (if it matters)? m? A small charge of 152 C is at the center of a 6.39 cm radius ball. How much flux passes through the ball's surface? N.m2/C ? A small charge of 221 C is at the center of a ball. If 2.455 E-8 N.m2/C passes through the ball's surface, what is the radius of the ball (if it matters)? m?