Physics, 05.12.2019 22:31 ashyding4800
Some stoves use the heat produced by current flowing through a conductor. if the heating element (conductor) has a resistance of 30 ohms, how long will the burner have to work to heat 500 g of 30°c water up to its boiling point? the specific heat of water is 4.19 x 103 j/kg·°c, and the household voltage is (120v).
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