A single phase series resistive-inductive heating element draws a measured current of 15A when connected to a 225V single phase 50 Hz AC supply.
Tests have shown that a minimum supply current of 13A can be achieved when a 106.2μF capacitor is connected in parallel across this heating element.
(i) The real power consumed by the heating element
(ii) The power factor of the heating element
(iii) The resistance of the heating element
(iv) The inductance of the heating element