Question

How will you connect four resistors of 8 ohm each to obtain an equivalent resistance of a) 8 ohm b) 6 ohm​

Answer 1

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a))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.