If Two Resistances are connected in their series equivalent resistance is 9Ω and when connected in parallel series their equivalent resistance is 2Ω.Find the two resistances? Guys i need this answer ASAP! Pleas don't spam this question and give wrong answers without knowing and referring it.the best and most relatable answer will be my Brainliest ANSWER!!!
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Answer:
Ans. is 6 and 3.
Explanation:
Let, a1 and a2 be 2 resistances.
by given conditions,
a1+a2=9 and a1a2/a1+a2=2.
a1a2/9=2 , hence a1a2=18.
a1=18/a2
putting this in a1+a2=9,
We get,
a2²-9a2+18=0
a2(a2-3)-6(a2-3)=0
a2=6 or a2=3
a1=18/a2
therefore,
a1=3 or a1=6.
Hence, 2 resistances are 6 and 3.
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