This circuit has a power source, a complete path for electrons to flow, and a resistor as the load. An electric circuit is a path in which electrons from a voltage or current source flow. Electric current flows in a closed path called an electric circuit.
A service will typically charge $660 which includes labor and material, to clean the exterior of a 1200-square-foot house. You can rent a power washer for $160 a day and do the job and save75 percent.
Rating Newest Oldest. Best Answer: Hiring a professional pressure-washer costs about $0.08 -$0.35 per square foot (depending on local rates), but can go as high as $0.40 -$0.80 a square foot depending on the amount and type of stains, dirt, mold or other problems. typical driveway plus sidewalk/walkways is about 1,200 square feet, or $100 -$420, but can be more. Washing the exterior of a 2,100-square-foot home runs around $150 -$750 or more. Source(s): http://www.costhelper.com/cost/home-gard... K K Â· 5 years ago.