A) Steel wire when both are connected in series
B) Steel wire when both are connected in parallel
C) Aluminium wire when both are connected in series
D) Aluminium wire when both are connected in parallel
Correct Answer: D
Solution :
\[{{R}_{steel}}=2{{R}_{Al}}\]. In series \[H\propto R\] (i is Same) So, \[H\] will be more in steel wire . In parallel \[H\propto \frac{1}{R}\] (V is Same), so H will be more in aluminium wire.
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