Brainliest for the perfect answer
DON'T TELL IT'S NOT CLEAR OF BLURRY
Q9
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Brainliest for the perfect answer
DON'T TELL IT'S NOT CLEAR OF BLURRY
Q9
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so when it is divised into four equal parts, the resistance of each part= R/4.
So required ratio = R/4/4 = 1 : 4.
(b)Now when each part of resistance (= R/4) is connected in parallel,
1/Rp = 1/R/4 +1/R/4 + 1/R/4 + 1 / R/4
i.e. 1/Rp = 4/R + 4/R+ 4/R +4/R
i.e. 1/Rp = 16/R
i.e. 16Rp = R.
Now the required ratio is Rp/R i.e Rp/16Rp i.e 1:16.