A water heater that is connected across the terminals of a 15.0 V power supply is able to heat 250 ml of water from room temperature of 25°C to boiling point in 45.0 secs. What is the resistance of the heater? The density of water is 1,000 kg/m2 and the specific heat capacity of water is 4,200 J/kg/°C.
A water heater that is connected across the terminals of a 15.0 V power supply is able to heat 250 ml of water from room temperature of 25°C to boiling point in 45.0 secs. What is the resistance of the heater? The density of water is 1,000 kg/m2 and the specific heat capacity of water is 4,200 J/kg/°C.
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 55P: A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any...
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E. A water heater that is connected across the terminals of a 15.0 V power supply is able to heat 250 ml of water from room temperature of 25°C to boiling point in 45.0 secs. What is the resistance of the heater? The density of water is 1,000 kg/m2 and the specific heat capacity of water is 4,200 J/kg/°C.
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