Question

what is a the highest be the lowest resistance that can be secured by the combination of 4 = of resistance 4 ohm 8 ohm 12 ohm and 24 Ohm

Answer 1

maximum resistance = resistance in series
= 4+8+12+24
= 48Π

minimum resistance = resistance in parallel
1/r=1/4+1/8+1/12+1/24
1/r=(6+3+2+1)/24
1/r=12/24
1/r=1/2
r=2Π

Answer 2

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