Does a car burn more gasoline if its lights are tuned on? No, the lights run from the electrical system, not from the engine. Yes, if the engine is running, but when the engine is off, the battery runs the lights and it is separate from the engine. Yes, all the energy used in the car eventually comes from the engine.

Does a car burn more gasoline if its lights are tuned on? No, the lights run from the electrical system, not from the engine. Yes, if the engine is running, but when the engine is off, the battery runs the lights and it is separate from the engine. Yes, all the energy used in the car eventually comes from the engine.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section18.4: Heat Pumps And Refrigerators

Problem 18.3QQ

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A typical cost for electric power is $ 0.135 per kilowatt-hour. (a) Some people leave their porch lights on all the time. What is the yearly cost to keep a 75-W bulb burning day and night? (b) Suppose a refrigerator uses 400W of power when it’s running, and it runs 8 hours a day. What is the yearly cost of operating that refrigerator?
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Googl ☆園 moodle.nct.edu.om/mod/quiz/attempt.php e-Learning Portal Courses - Reports - e-Services - Academic Departments - ETC - CIMS - A household use the following electric appliances: (i) A Refrigerator of rating 100 W for twenty four hours each day (ii) Two electric water heater of rating 3750W each for 8 hours each day (iii) Twelve electric tube lights of rating 35W each for 10 hours each day. Calculate the electricity bill of the household for the month of November 2020 if the cost per unit of electric energy is 20 Bz/ kWh. n (i) Electrical Energy(in kWh) consumed by Refrigerator of rating 100 W for 24 h of each day = (ii) Electrical Energy(in kWh) consumed by two Water Heaters of rating 3750 W for 8 h of each day = (iii) Electrical Energy(in kWh) consumed by twelve Tube lights of rating 35 W for 10 h of each day = (iv) Total energy(in kWh) consumed in the month November'2020 = https://mo (v) Electricity bill(in riyals) for the month of November'2020 CH6VZR403C OneDrive NG 4) a…
x Homework No.2 (page 2 of 2) Tn x U moodle.nct.edu.om/mod/quiz/atter e-Services - Academic Departments ETC - CIMS - A stationery shop use the following electric appliances: (i) Four Air Conditioner of rating 2100 W for twelve hours each day (ii) Two Electric Freezer of rating 2000W each for 24 hours each day (iii) Ten electric tube lights of rating 20W each for 12 hours each day. Calculate the electricity bill of the stationery shop for the month of November 2020 if the cost per unit of electric energy is 10 Bz/ kWh. (i) Electrical Energy(in kWh) consumed by four Air conditioners of rating 2100 W for 12 h of each day=D (ii) Electrical Energy(in kWh) consumed by two Electric Freezers of rating 2000 W for 24 h of each day= (iii) Electrical Energy(in kWh) consumed by ten Tube lights of rating 20 W for 12 h of each day = (iv) Total energy(in kWh) consumed in the month November'2020 = (v) Electricity bill(in riyals) for the month of November'2020 =
Determine the work done by the system in each cycle abcd shown in the figure. P(Pa) b 12000 10000 8000 1.0 2.0 3.0 V(m?)
Academic Departments ETC - CIMS e-Services A stationery shop use the following electric appliances: (i) Three Air Conditioner of rating 1600 W for ten hours each day (ii) Two Electric water heater of rating 1000W each for 6 hours each day (lii) Twelve electric tube lights of rating 20W each for 12 hours each day. Calculate the electricity bill of the stationery shop for the month of November 2020 if the cost per unit of electric energy is 15 Bz/ kWh. on ) Electrical Energy(in kWh) consumed by three Air conditioners of rating 1600 W for 10 h of each day= 1) Electrical Energy(in kWh) consumed by two Electric Heaters of rating 1000 W for 6 h of each day= (1) Electrical Energy(in kWh) consumed by twelve Tube light of rating 20 W for 12 h of each day = (iv) Total energy(in kWh) consumed in the month November'2020 = (V) Electricity bill(in riyals) for the month of November'2020 = Next page - Problems for Practide DC. circuits O Type here to search Jump to Upload your Homework 2 Answer

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		No, the lights run from the electrical system, not from the engine.
		Yes, if the engine is running, but when the engine is off, the battery runs the lights and it is separate from the engine.
		Yes, all the energy used in the car eventually comes from the engine.