What is displacement current?

If the charging current for a capacitor is 0.3 A then what is the displacement current?

The charging current for a capacitor of 0.28 A. What is the displacement current across its plates?

The charging current for a capacitor is 0.6 A. What is the displacement current across its plates ?

The charging current for a capacitor is 0.5A. What is the displacement current across its plates?

The charging current for a capacitor is 0.25 A . What is the displacement current across its plates?

The charging current for a capacitor is 0.25 A . What is the displacement current across its plates?

The voltage between the plates of a parallel plate capacitor of capacitance 1 muF is changing at the rate of 5 V/s. What is the displacement current in the capacitor?