Final answer:
The formula for finding the maximum amount of solar current that can be installed is I = P/V. This formula relates the current (I) that can be produced by a photovoltaic array to the power (P) of the sunlight falling on the array and the voltage (V) at which the array operates. To find the area of the array (A), we can rearrange the formula as A = P / (V × I).
Step-by-step explanation:
The formula for finding the maximum amount of solar current that can be installed is I = P/V, option A.
This formula relates the current (I) that can be produced by a photovoltaic array to the power (P) of the sunlight falling on the array and the voltage (V) at which the array operates. In this case, the power is the product of the average intensity of sunlight (700 W/m²) and the area of the array (A), which we want to find. So, the formula can be rearranged as A = P / (V × I).
For example, if the rate of energy needed is 100 W and the efficiency of the array is 10%, we can calculate the area as A = 100 / (700 × 0.1), which comes out to be approximately 0.143 m².