When is a RC circuit predominantly capacitive or resistive?

[olikimah]

I have a graph of |Z| (magnitude of impedance) vs Frequency, and θºz vs Frequency.
These two graphs are of a circuit with one capacitor in series with resistors.

I need to find when the RC circuit is predominantly capacitive, and predominantly resistive, using the graphs which are given.

 

[berkeman]

I have a graph of |Z| (magnitude of impedance) vs Frequency, and θºz vs Frequency.
These two graphs are of a circuit with one capacitor in series with resistors.

I need to find when the RC circuit is predominantly capacitive, and predominantly resistive, using the graphs which are given.

Welcome to the PF.

What would be the definitions of "predominantly capacitive" and "predominantly resistive"? Are you given definitions or other criteria to use?

I can think of a criteria to use, but it would be better if you could identify it yourself...