Considering the same circuit, only with the switch thrown from b to a at time t = 0 after having been in position b for a long time. DATA: Vb = 12 V, C = 10 µF, R = 20 Ω. a.) What is the curnent through the resistor just BEFORE the switch is thrown? b.) What is the current through the resistor just AFTER the switch is thrown? c.) What is the charge across the capacitor just BEFORE the switch is thrown? d.) What is the charge on the capacitor just AFTER the switch is thrown? e.) What is the charge on the capacitor at at time t = 0.3 msec after the switch is thrown?

At time t=0, the switch is moved to position A and remains there for 2.00 seconds. Then the switch is moved to position B. Assume the battery and ammeter are ideal and the resistance of the wires is negligible. a) Find the charge on the capacitor after the switch was in position A for 2.00 seconds. R = 27.5 KQ m (Α + C = 47.0 μF (initially uncharged) Switch position A E 12.0 V b) Find the current through the ammeter after the switch has been in position B for 1.00 second. c) How long does it take (after the switch is moved to position B) for the charge on the capacitor to decrease to 53.0 μC?

Initially, for the circuit shown, the switch S is open and the capacitor is uncharged. The switch S is closed at time t = 0. In the figure shown, when the time t is equal to 8.0 s, the charge on the capacitor (in mC), is closest to: a. 4.06 b. 13.2 c. 0.23 d. 2.26 e. 1.33 70 V L www 0.20 ΜΩ 90 μF

RC Circuits: In this circuit, the battery has voltage E = 2.0 V, and each resistor has resistance R = 10 Q. The capacitor, which has capacitance C = 1.0 x10-12 F, carries. initial charge 3.0 x 10-12 C, with the positive charge on the right plate. The switch is closed at time t = 0 s. a. Immediately after time t = 0, what current flows through resistor 1? b. A long time later, what current flows through resistor 1? c. Sketch a rough graph of the charge on the right capacitor plate, as a function of time. દ 8. ww C R 2 R3