a) A negative charge was removed from a neutral conducting sphere of radius R. Which of the following statements is/are

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A A Negative Charge Was Removed From A Neutral Conducting Sphere Of Radius R Which Of The Following Statements Is Are 1 (102.72 KiB) Viewed 123 times

a) A negative charge was removed from a neutral conducting sphere of radius R. Which of the following statements is/are FALSE? 1. The electric field inside the conducting sphere is perpendicular to the equipotential surface. II. The surface of the conducting sphere is an equipotential surface. III. At r>R, the electric potential falls by 1/r2 while the magnitude of the electric field falls by 1/r. IV. At r>R, the electric field is pointing radially towards the center of the conducting sphere. A. III and IV B. I,III, and IV C. I, II, and III D. I and 11 b) Consider an isolated parallel-plate capacitor with an initial capacitance 400.0 nF and a charge of 5.00u C. What will be the potential energy difference if the stored charge is doubled? A. +31.3 w Β. +93.8 μμ C. +125. u D. -125. u c) John has two square prism conductors that are made of the same ohmic material and with properties indicated below. Conductor Length Cross-Section Side Length Alpha L Beta L/2 8/4 S Suppose both conductors are subject to the same potential difference AV across their length while keeping their temperatures fixed. Which of the following is the correct relation between the electric currents, la and IB, through Alpha and Beta? A. Ia = 818 B. 810 = 18 C. Ia = 418 D. 412 = 18