An alternating voltage v=90cos(wt - 161.5 degrees) maybe represented as sine function by 90sin (wt - 71.5 degrees) 90sin (wt + 18.5 degrees) 90sin (wt + 18.5 degrees) 90sin (wt + 71.5 degrees)

Consult the plot of efficiency of solar cells prepared by the National Renewable Energy Laboratory (NREL). As of 2010, the ______________ cell has the highest efficiency and _____________ cells have the lowest efficiency. (Fill in the blanks.)   Question 6 options:   two-junction concentrator; inorganic;   single-junction concentrator; amorphous Si:H   three-junction concentrator; organic   single crystal Si; dye-sensitized

1. A parallel plate capacitor, the distance between the two plates is 6 mm, the plate area is 4 cm². The space between the two plates is filled with air, and is given a potential difference of 12 Volts. Determine: a. The capacitance of the capacitor b. The charge on the more positive conductor plate