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16 December, 07:03

If R1 = 6 Ω, R2 = 8 Ω, R3 = 2 Ω, ε1 = 4 V, and ε2 = 14 V, what is the current in R2?

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  1. 16 December, 10:43
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    We need to formulate an equation using Kirchhoff's Law and the 2 equations formed are listed below:

    -4i1+10i2=14 and 7i1-8i2=4

    Since we have two equations and two unknowns, we can now solve for current 1 (i1) and current 2 (i2). Then we have i1=2 amperes and i2=3 amperes.

    Therefore, the current in R2 is 1 ampere.
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