Question

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Answer 1

Answer:

1. all resistor are in series combination then Req is r1+r2+r3 so Req is 9ohm ,,,2.all resistor in parallel then 1/Req=1/r1+2/r2+1/r3 then Req is 1 ohm ,,,3.first two are in parallel so it is 3/2 and another 3ohm and 3/2 ohm is in series so 3+3/2 is 4.5 ohm ,,,4. two resistor in series so it's 6 ohm and with 3 ohm it's parallel then 1/Req=1/3+1/6 then Req is 2 ohm

Answer 2

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