मराठी

An Electric Heater of Resistance 8 ω Takes a Current of 15 a from the Mains Supply Line. Calculate the Rate at Which Heat is Developed in the Heater.

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प्रश्न

An electric heater of resistance 8 Ω takes a current of 15 A from the mains supply line. Calculate the rate at which heat is developed in the heater. 

 

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उत्तर

I = 15 A, R = 8 Ω
Rate of heat produced = Power = I2R = (15)2(8) = 1800 J/s

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पाठ 4: Electricity - Exercise 8

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लखमीर सिंह Physics [English] Class 10
पाठ 4 Electricity
Exercise 8 | Q 18
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