A series-parallel circuit consists of two series circuits (A and B) connected in parallel across a 5-V source. Branch A consists of an R1 of 2.2 k? and an R2 of 3.3 k?. Branch B consists of an R3 of 1.2 k? and an R4 of 4.7 k?. Total circuit resistance is
A) 2,846 ? B) 5,900 ? C) 5,500 ? D) 11,400 ?
A
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