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In resistive circuit if the current …

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In resistive circuit if the current is increased by the two times, the percentage change in the amount of the heat dissipated in the circuit would be 300%. How???

Posted by Mehakpreet Kaur 1 year, 5 months ago

CBSE > Class 10 > Science

1 answers

Swapnil Verma 1 year, 4 months ago

H = I²Rt If I' = 2I Then, R' = R/2 ( By Ohm's Law ) So, H' = I'²R't => H' = (2I)²(R/2)t => H' = 2I²Rt => H' = 2H Therefore, heat dissipated is 200% more than earlier not 300%

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CBSE > Class 10 > Science