How to ans this?I get the resistance as 7.5ohms but the and is 10ohms
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series connection r = r1 + r2
in parallel 1/r = 1/r1 + 1/ r2
so 14 and 6 are in series-14+6= 20 ohms
now
in parallel 1/r = 1/r1 + 1/ r2
20 is parallel to given 20 = 20 /2 = 10 ohms
then 10 and 10 series =10+10=20 ohms
20 & 20 parallel equivalent resistor = 10 ohm
in parallel 1/r = 1/r1 + 1/ r2
so 14 and 6 are in series-14+6= 20 ohms
now
in parallel 1/r = 1/r1 + 1/ r2
20 is parallel to given 20 = 20 /2 = 10 ohms
then 10 and 10 series =10+10=20 ohms
20 & 20 parallel equivalent resistor = 10 ohm
vivee2:
but if we consider 10 and another 10 ohms as series and 20 ohms as parallel we get the ans as 7.5 ohms
so what is wrong in doing in such a way
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It is correct.. .. ...........
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