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                                    The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is | 
                            
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Answer»  0.8 `=(100-40)/80` `=60/80=3/4` From FIGURE, power FACTOR = cos `phi` `=4/5`= 0.8  
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