Question

An electric heater is used to boil small amounts of water and consists of a 10-Ω coil that is immersed directly in the water. It operates from a 120-V socket. How much time is required for the heater to raise the temperature of 0.38 kg of water from 29 °C to the normal boiling point? Take the specific heat capacity of water to be 4186 J/(kg·C°).

Answer 1

hwe au giwn 2. ),440W I o Heat generated (0.39) (4186) (100-39 %) Aho know mat Heat geniateal L. e 12,93 g .28 14ム。