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    Electric Circuit Homework: Parallel & Series Heating Power

    Homework Statement Entrance exam question: An electric radiator which is an ordinary constant resistor emits a heating power of 750 W at a main supply voltage of 230 V. What is the total heating power in each respective instance when two such radiators are connected a) parallel, and b) in...
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    How Much Ice Is Needed to Cool Water from 25°C to 10°C?

    ha ha 2 hours i attempted this morning... didn't care about breakfast... now i just got it right! Anyway.. kiitos (thanx) goes this way (1kg/dm3 x 5 l) x 4.19 kJ/kgC x 15 = 2.2 kJ/kgC x m x 28 + 333 kJ/kg x m answer is, m = 0.760 kg (but i got somewhere 0.796) ;-)
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    How Much Ice Is Needed to Cool Water from 25°C to 10°C?

    Latent heat calculation! Ok... first timer. I am not a science student, done some MBA but wanting some IT course and for entrance exam, I am preparing. I have problem with this one problem. Just provide me a hint. I do calculation part. 'Juice and water is produced from 5.0 liters of water...
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