Two resistors, R1 and R2, are connected in series.   (a) If  R1 = 2.42 Ω  and  R2 = 6.97 Ω,  calculate the single resistance equivalent (in Ω) to the series combination.  Ω   (b) Repeat the calculation for a parallel combination of  R1  and  R2.  (Enter your answer in Ω.)  Ω

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