Question

When two resistors are connected in
series, their effective resistance is
80. When they are connected in
parallel, their effective resistance is 20
What are value of two resistance​

Answer 1

R1 +R 2 =80

1/R1 +1/R2= 20

R1+ R2 /R1 R2 = 20

80 /20= R1R2

40= R1R2

R1 = 40/R2