Question

so how would you join three resistors each of resistance 9 ohm for that the equivalent resistance of the combination is first three 13.5 ohm and secondary 6 Ohm

Answer 1

first 2 parallel and 3rd in series so 9+ 4.5

then 2 series and one parallel to them that way 18 and 9 parallel

Answer 2

first two in series and other parallel to it....to get 6 ohm..
n first two in parallel and other in series to it to get 13.5 ohm...
hope it helps..
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