What is the maximum resistance which can be made using five resistors each of 1/5 Ω?
(a) 1/5 Ω
(b) 10 Ω
(c) 5 Ω
(d) 1 Ω
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The answer is (d) 1 Ω
Maximum resistance is obtained when resistors are connected in series.
R= 1/5 + 1/5 + 1/5 +1/5 + 1/5
= 5/5
= 1Ω
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