[填空题]
The capacitance of a jfld.136hix-zw 8wnmu/k5a kiv+z )pportion of a circuit is to be reduced from 4800 pF to 2900 pF.
uiz a/k)5p +kv What capacitance can be added to the circuit to produce this effect without removing existing circuit elements? $ \times10^{ -9}\;F$
Must any existing connections be broken in the process?