Question: a kettle is wired with a heater element and indicator...
A kettle is wired with a heater element and indicator light in parallel. If connected to a 120-V voltage source, they use a total power of 521 W. The resistance of the heater element is 28 Ω.
(a) Find the resistance of the indicator light.
(b) Find the power consumed by the kettle if it is connected to a 240-V outlet.
(c) If the kettle is filled with 1.2-L of water at 23°C and powered at 240-V for 90 s, what is the final temperature of the water?
(d) How long would the kettle in (c) need to be run to evaporate 150 mL of water?