Two loads Z1 = 70+j80 ohms and Z2 = 20+ j 30 ohms are connected across 240V, 50Hz supply. Find the total current flowing in the circuit. How power factor will be improved after connecting 75.6 micro farad capacitor across the load. What can you infer from the result?

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Two loads Z1 = 70+j80 ohms and Z2 = 20+ j 30 ohms are connected across 240V, 50Hz supply. Find the total current flowing in the circuit.

How power factor will be improved after connecting 75.6 micro farad capacitor across the load. What can you infer from the result? 
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