Question

you have 4 resistors of 8 ohms each. Show how would you connect these resistors to have effective resistance of 8 ohms.

Answer 1

Connect two resistors in series,the total resistance is R1=8+8=16
then connect the other two resistors in series,the total resistance is R2=8+8=16
Then connect the two pairs in parallel.
that is,let the final total be R
1/R=1/R1+1/R2
1/R=1/16+1/16
1/R=2/16
R=8.
Hope it helped you..

Answer 2

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