Ratio of thermal energy released in two resistor $R$ and $3 R$ connected in parallel in an electric circuit is :
JEE MAIN 2023, Easy
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$H =\frac{ V ^2}{ R } \times t$
$\frac{ H _1}{ H _2}=\frac{\frac{ V ^2 t }{ R }}{\frac{ V ^2 t }{3 R }}=3: 1$
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