Physics · 2012
NEET 2012 · Prelims · Code A · Q25
If voltage across a bulb rated 220 Volt - 100 Watt drops by 2.5 % of its rated value, the percentage of the rated value by which the power would…
If voltage across a bulb rated $\displaystyle 220$ Volt - $\displaystyle 100$ Watt drops by $\displaystyle 2.5 \%$ of its rated value, the percentage of the rated value by which the power would decrease is :
Official answer
(1)
$\displaystyle 5$%
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NEET (UG) 2012 Physics question, with the answer from NTA’s final answer key. Where our answers come from.