The main objective of a physical map is to show landforms, bodies of water and other geographical features. Features shown include mountains, deserts and lowlands as well as lakes, rivers and oceans.
Depending on your electricity prices, a 400 watt HID will cost $200 â $400 each year of use, plus the cost of replacement bulbs. LEDs meant to replace 400w HIDs average around 180 watts.
Rating Newest Oldest. Best Answer: I cannot know how much your unit uses without knowing the size of your unit. My A/C unit uses about 3,500 watts of power, or 3.5 kW. If I use it for one hour, then that would equal 3.5 kWhrs (kilowatt-hours). Then you multiply by the cost per kWhr where you live.The average cost in the USA is about 14 cents per kWhr, but can range anywhere from about 7 or 8 cents up to over 20 cents.ating Newest Oldest. Best Answer: I cannot know how much your unit uses without knowing the size of your unit. My A/C unit uses about 3,500 watts of power, or 3.5 kW. If I use it for one hour, then that would equal 3.5 kWhrs (kilowatt-hours). Then you multiply by the cost per kWhr where you live.