A is already considered very large; for example, the capacitance of the Earth's ionosphere relative to the ground is estimated to be only about 1 F.
Draft a between CGS and SI electrical units. abfarad
Today, electronics typically use much smaller units like the ( 10-610 to the negative 6 power F) or picofarad (pF, 10-1210 to the negative 12 power A is already considered very large; for example,