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3. I| FIGURE EX26.3 is a graph of E . What is the potential differ- ence between x; = 1.0 m and x = 3.0 m? E (V/m) E, (V/m) 200 200 100 100 0 x (m) 0+ x (m) 2 3 2 3 -100 FIGURE EX26.3 FIGURE EX26.4S. | What are the magnitude and direction of the electric field at the dot in FIGURE E1063? \f21. || Two imam-diameter aluminum electrodes are spaced 0.50 mm apart. The electrodes are connected to a 100 V battery. a. What is the capacitance? I). What is the magnitude of the Charge on each electrode? 33. || AUZDcmdiameter parallelplate capacitor with a spacing of 0.50 mm is charged to 200 V. What are (a) the total energy stored in the electric field and (b) the energy density? 41. || FIGURE P2641 is an edge View of three charged metal electrodes. Let the left electgode be the zero point of the electric potential. What are V and E at (a) x = 0.5 cm, (b) x = LS cm, and (c) x = 2.5 cm? 5(} 11C +100 nC 50 N: All three have a 2.0 cm X 2.0 cm cross section. + + + + + + + + + + + + + + FIGURE P26.41