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A complete circuit contains two parallel-connected devices and a generator for providing the electromotive force. The resistance of the first device is 12 ohms, the resistance of the second device is 4 ohms, and the voltage developed by the generator is 40 V. What is the magnitude of the current flowing through the first device? A. 13.32 A B. 10 A C. 8 A D. 3.33 A
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A complete circuit contains two parallel-connected devices and a generator for providing the electromotive force. [ The resistance of the first device is 12 ohms, the resistance of the second device is 4 ohms, and the voltage developed by the generator is 40 V. 13.32 A is the magnitude of the current flowing through the first device. Solution: 1/Rs = 1/12 + 1/4 = 1+3/12 = 1/3 :so R = 3 ohms. We know that V=IR (Ohm's LAw) or I = V/R = 40/3 = 13.33A or 13.32A ]
Expert answered|emdjay23|Points 153791|
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Asked 10/10/2018 9:43:00 PM
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