We have three different bulbs. The first bulb is the LED bulb. The energy use of one
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Question 1: How much energy is consumed by 20 incandescent light bulbs used for five hours per day for a year (expressed in kWh/year per house)? A year consists of 365 days.
________W ÷ 1000 W/kWh = _______ kWh
________kWh x 5h/day = _______kWh/day
________kWh/day x 365 days = _________kWh/year
________kWh/year x 20 incandescent bulbs per house = _______kWh/year per house
Question 2: What is the annual cost of using 20 incandescent light bulbs used for five hours per day for a year? A year consists of 365 days (expressed in $/year).
_______kWh/year per house x $0.15/kWh = $_______/year
Question 3: How much energy is consumed by 20 CFL bulbs used for five hours per day for a year (expressed in kWh/year per house)? A year consists of 365 days.
________W ÷ 1000 W/kWh = _______ kWh
________kWh x 5h/day = _______kWh/day
________kWh/day x 365 days = _________kWh/year
________kWh/year x 20 incandescent bulbs per house = _______kWh/year per house
Question 4: What is the annual cost of using 20 CFL bulbs used for five hours per day for a year? A year consists of 365 days (expressed in $/year).
_______kWh/year per house x $0.15/kWh = $_______/year
Question 5: How much energy is consumed by 20 LED bulbs used for five hours per day for a year (expressed in kWh/year per house)? A year consists of 365 days.
________W ÷ 1000 W/kWh = _______ kWh
________kWh x 5h/day = _______kWh/day
________kWh/day x 365 days = _________kWh/year
________kWh/year x 20 incandescent bulbs per house = _______kWh/year per house
Question 6: What is the annual cost of using 20 LED bulbs used for five hours per day for a year? A year consists of 365 days (expressed in $/year).
_______kWh/year per house x $0.15/kWh = $_______/year
Related Book For
Fundamentals of corporate finance
ISBN: 978-0073382395
9th edition
Authors: Stephen Ross, Randolph Westerfield, Bradford Jordan
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