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3. (4 +3 +3 +2- 12 pts) 3R Fig.1 Fig.2 (i) The resistance R in the circuit in Fig. 1 is R 102 . What is the emf, E, of the battery if the current in the 3R resistor is 2.0 A? . What is the current in the battery? (ii) We replace the 3R resistor by a capacitor C = 135 μF, see Fig. 2. . What is the charge on the capacitor? What is the current in the battery? P w MacBook Air 20 FS FS F6 2 3 O P

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3 R 3 R -R and 3K ( 12 L- o C12 Can the Raq 1.10 느 dittrene

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