Transferring charge from a capacitor plate to another object, such as a metal rod, is challenging due to the nature of capacitors, where the positive and negative charges are balanced. When a capacitor is charged, it does not possess a net charge that can be easily extracted, as the charges on the plates are equal and opposite. To transfer charge, one would typically need to create a circuit that allows for the movement of electrons from one plate to the rod. However, this process is not straightforward and may require specific conditions or setups. Ultimately, the inherent balance of charge in capacitors complicates the transfer of charge to external objects.