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  4. Ratio of thermal energy released in two resistors R and 3 R connected in parallel in an electric circuit is :

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Q. Ratio of thermal energy released in two resistors $R$ and $3 R$ connected in parallel in an electric circuit is :

JEE MainJEE Main 2023Current Electricity

Solution:

$ 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$