An immersion heater used to boil water for a single cup of tea plugs into a 120 V outlet and is rated at 300 W . Suppose your super-size, super-insulated tea mug contains 400 g of water at a temperature of 13 ∘C. You can ignore the energy needed to raise the temperature of the mug and the heater itself. 1)What is the resistance of the heater

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Q: image

A: Solution 1 One object must be at a higher electric potential than the other. Like heat which only…

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