The least resistance obtained by using 2 ohm,4 ohm,1 ohm and 100 ohm is
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To get resistance value, lesser than that of the minimum resistance given, we need to connect them in parallel.
R1= 2Ω
R2=4Ω
R3=1Ω
R4=100Ω
Let Rp be the combination of resistance in parallel
Rp= 1/R1+1/R2+1/R3+1/R4+1/R5
Rp=1/2+1/4+1/1+1/100
=50+25+100+1/ 100 (Taking LCM)
= 176/100
=1.76 Ohm
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