What is the reactance of pure resistances in an ac circuit?

Assertion : The only element that dissipates energy in an ac circuit is the resistive element. Reason : There are no power losses associated with pure capacitances and pure inductances in an ac circuit.

Assertion : The only element that dissipates energy in an ac circuit is the resistive element. Reason : There are no power losses associated with pure capacitances and pure inductances in an ac circuit.

If a 16Omega resistance and 12 Omega inductive reactance are present in an a.c series circuit. Then the impedance of the circuit will be

The reactance of 2 H inductance in an ac circuit of frequency 50 Hz is

What are the SI units of reactance and impedance in a.c. circuit ?