Question and answer
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?
V = IR I1 = V1/R2 VT = V1 = V2 = 40V R2 = 12 ohms I1 = 40V/12 ohms I1 = 3.33 amperes
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Asked 7/15/2019 10:54:17 PM
Updated 7/23/2020 12:29:56 PM
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V = IR
I1 = V1/R2
VT = V1 = V2 = 40V
R2 = 12 ohms
I1 = 40V/12 ohms
I1 = 3.33 amperes
Added 7/23/2020 12:29:56 PM
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A series circuit contains two devices, one with a resistance of 10 ohms and one with a resistance of 4 ohms. If the generator supplies a voltage of 42 V, what is the magnitude of the current?
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Updated 1/18/2021 2:07:36 PM
1 Answer/Comment
A series circuit contains two devices, one with a resistance of 10 ohms and one with a resistance of 4 ohms. If the generator supplies a voltage of 42 V, the magnitude of the current is 3A .
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