The maximum resistance which can be made using four resistors each of 2W is(a) 2W (b) 4W(c) 8W (d) 16W
(c) $8\Omega$
Explanation
The maximum resistance of a set of resistors (here four) can be obtained by connecting them in series.
Total resistance in series is given as-
$R_T=R_1+R_2+R_3+.....+R_n$
Putting the value of the four resistors each of a resistance of $2\Omega$ (given)
$R_T=2+2+2+2$
$R_T=8\Omega$
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