If the potential across two parallel plates, separated by 1.50 cm, is 12.0 volts, what is the electric field strength in volts per meter?
1.)4.0 × 10 2 v
2.)1.25 × 10-1 v
3.)8.0 × 102 v
4.)8.0 v

Suppose the house in question 3 is located in cleveland where the annual average solar flux is 160 w/m2 . if 10 m2 of solar panels operating at 20 percent efficiency were installed on this house to collect and store solar energy in the form of hot water: