An electrical circuit contains three resistors connected in parallel. If the resistance of each is R 1
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An electrical circuit contains three resistors connected in parallel. If the resistance of each is R1 ,R2 and R3 ohms, respectively, their combined resistance R is given by the formula
Express R as a rational expression. Evaluate R for R1 = 5 ohms, R2 = 4 ohms and R3 = 10 ohms.
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R1 R2 R R3
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