What is the equivalent resistance of a pair of 8-Ω and 4-Ω resistors when connected in (a) series; (b) in parallel?  When each combination is impressed with 12 volts, how much current is in each?

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Chapter21: Circuits And Dc Instruments
Section: Chapter Questions
Problem 11PE: Show that if two resistors R1and R2are combined and one is much greater than the other (R 1 >>R 2 ):...
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What is the equivalent resistance of a pair of 8-Ω and 4-Ω resistors when connected in (a) series; (b) in parallel?  When each combination is impressed with 12 volts, how much current is in each?

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