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A battery is charged through a single phase half wave controlled converter. The supply voltage is 230 V, 50 Hz and battery emf is

A battery is charged through a single phase half wave controlled converter. The supply voltage is 230 V, 50 Hz and battery emf is constant at 160 V. Find the value of average charging current for firing angle of 30 degrees. Internal resistance of battery is 2 \Omega ?

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