A transfomer steps down 220 volt to 11 volt. What is the transformation ratio ?

A transformer steps up or steps down

How much current is drawn by the primary of a transformer which steps down 220 volts to 22 volts to operate a device with an impedance of 220 Ω ?

What is a step down transformer?

How much current is drawn by the primary coil of a transformer, which steps down 220V to 22 V to operate a device with an impedance of 220 ohm?

How much current is drawn by the primary coil of a transformer which steps down 220 V to 22 V to operate device with an impedance of 220 ohm.