Q2 A household uses 12 kWh of electricity daily. Currently, it is using electricity from the grid which costs $0.25/kWh. For 1 kWh electricity production, 1.2 kg of CO₂ is released to the environment. (a) How much money the household will spend on electricity in 20 years? (b) How much CO₂ is released to the environment due to this usage? The family would like to switch to solar energy. It will cost $12,000 initially. After meeting their own electricity demand, annually, the family will earn $400 by selling the excess electricity to the grid. (c) When they use solar system, how much money the household will spend on energy use in 20 years? (d) By using solar system, how much CO₂ will be saved from releasing to the environment? (e) Give your comments about which option is economically and environmentally better.
Q2 A household uses 12 kWh of electricity daily. Currently, it is using electricity from the grid which costs $0.25/kWh. For 1 kWh electricity production, 1.2 kg of CO₂ is released to the environment. (a) How much money the household will spend on electricity in 20 years? (b) How much CO₂ is released to the environment due to this usage? The family would like to switch to solar energy. It will cost $12,000 initially. After meeting their own electricity demand, annually, the family will earn $400 by selling the excess electricity to the grid. (c) When they use solar system, how much money the household will spend on energy use in 20 years? (d) By using solar system, how much CO₂ will be saved from releasing to the environment? (e) Give your comments about which option is economically and environmentally better.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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