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Physics · 2014
JEE Main 2014 · 2014-04-06 Offline · Q18
In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 fans of 80 W and 1 heater of 1 kW. The voltage of the electric mains is 220 V.…
In a large building, there are $\displaystyle 15$ bulbs of $\displaystyle 40$ W, $\displaystyle 5$ bulbs of $\displaystyle 100$ W, $\displaystyle 5$ fans of $\displaystyle 80$ W and $\displaystyle 1$ heater of $\displaystyle 1$ kW. The voltage of the electric mains is $\displaystyle 220$ V. The minimum capacity of the main fuse of the building will be :
Official answer
(3)
$\displaystyle 12$ A
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JEE Main 2014 Physics question, with the answer from NTA’s final answer key. Where our answers come from.