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Science · 2024 · 1 mark
CBSE 2024 · Region 4 · Set 1 · Q14
An electric iron of resistance 20 Ω draws a current of 5 A. The heat developed in the iron in 30 seconds is:
An electric iron of resistance $\displaystyle 20 \Omega$ draws a current of $\displaystyle 5$ A . The heat developed in the iron in $\displaystyle 30$ seconds is :
Official answer
(A)
$\displaystyle 15000$ J
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CBSE Class 10 Science past-paper question from the 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.