QJEEM22Ph4848: JEE Main 2022 Physics - Class 12 JEEM22Ph4848 Solution: A resistor develops 300 J of thermal energy in 15 s, when a…

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QJEEM22Ph4848: JEE Main 2022 Physics - Class 12 JEEM22Ph4848 Solution: A resistor develops 300 J of thermal energy in 15 s, when a…

A resistor develops 300 J of thermal energy in 15 s, when a current of 2 A is passed through it. If the current increases to 3 A, the energy developed in 10 s is ____________ J.

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Accepted Answer

$300 = I^{2} R \times 15$

$\Rightarrow R = 5 Ω$

Now $I_{2}^{2} R t_{2}$

$= 9 \times 5 \times 10$

$= 450 J$

QJEEM22Ph4848: JEE Main 2022 Physics - Class 12 JEEM22Ph4848 Solution: A resistor develops 300 J of thermal energy in 15 s, when a…

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