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9 A resistor (R-1 k) and a parallel plate capacitor (C1 nF) are connected in parallel across a d.?. voltage supply (V-100 V) as shown in the diagram below. t1T a) When the switch S is closed and the steady state current is established, calculate: [8] i) The current in the resistor, R, i) The charge stored on the capacitor, C, iii) The electrical power in the resistor R, v) The energy stored in the capacitor C. b) Sketch the equipotential surfaces in the space between the plates of the capacitor C. 3 c) Describe what happens when the switch S is opened.

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