The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is $0.25\, \Omega$. What will be the effective resistance if they are connected in series ? (In $\Omega$)
NEET 2021, Easy
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$\frac{\mathrm{R}}{4}=.25$ parallel
$\mathrm{R}=1$
$\mathrm{R}_{\mathrm{s}}=4 \mathrm{R}=4\, \Omega$
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