In a single phase resistive circuit in which the load voltage is controlled by integral cycle triggering mode of a pair of inverse-parallel connected thyristors as shown below. The output voltage waveform consisting of 8 cycles of conduction followed by 17 cycles of extinction. If the rms input supply voltage is 240V, 50Hz and R-1092, Calculate: (a) The rms value of the load current. (b) The input power factor. (c) Average and rms values of the current through the thyristors. (d) What must be the thyristor voltage and current ratings?