8. A coffee pot heat water with an electrical heater. The coffee pot is plugged into 120v wall socket and draws 3.83A. How much power does the coffee pot need to run? (ans: 460W) 2Ov 3.83A=4LOW b. The coffee pot heats 220g of water from 20°C to 80°C. How much energy is needed to heat the water? (ans: 55,176J) mC AT P-I.V a. 220 .18 xO How long does the coffee pot take to heat the water? CH, 0 55.116T J (ans: 2 min) g°C = 4.18 С.

8. A coffee pot heat water with an electrical heater. The coffee pot is plugged into 120v wall socket and draws 3.83A. How much power does the coffee pot need to run? (ans: 460W) 2Ov 3.83A=4LOW b. The coffee pot heats 220g of water from 20°C to 80°C. How much energy is needed to heat the water? (ans: 55,176J) mC AT P-I.V a. 220 .18 xO How long does the coffee pot take to heat the water? CH, 0 55.116T J (ans: 2 min) g°C = 4.18 С.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter20: Electric Current, Resistance, And Ohm's Law

Section: Chapter Questions

Problem 64PE: Integrated Concepts (a) Assuming 95.0% efficiency for the conversion of electrical power by the...

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