Question

answer with explanation....

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Answer 1

Answer:

20 and 5 ohms

Explanation

in the first case Rs= V/I

Rs= 12.5/.5= 25 ohm

i.e. R1+R2=25

in the second case Rp=V/I

Rp= 6/1.5=4 ohm

i.e. 1/R1+1/R2=1/4 ;

R1*R2/(R1+R2)=4

Substituting the value of R1+R2=25 from above we get

R1*R2=4*25=100

So   R1+R2=25

and R1*R2=100

So the probable resistances are 20 and 5 ohms

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Answer 2

Answer:

hey

Option A is correct

thank you