What are the characteristics of an ideal transformer

It is an imaginary transformer which has no core loss, no ohmic resistance and no leakage flux. The ideal transformer has the following important characteristic. The resistance of their primary and secondary winding becomes zero. The core of the ideal transformer has infinite permeability.

Explanation:

A: they cause most precipitation.

B: they are the result of sublimation.

C: they are composed mostly of icy water.

D: they generally produce lightning.

C, they are composed of mostly icy water.