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September 2, 2014

Homework Help: physics

Posted by Anonymous on Saturday, February 23, 2008 at 3:29pm.

What is the required resistance of an immersion heater that will increase the temperature of 1.5kg of water from 10*C to 50*C in 10 min while opperating at 120V? The answer is 24.2 ohms. I don't know what equation to use to solve this question. Please help me! Thanks!

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