CBSE Class 12-science Answered
tan Phi = XL-XC/R, what is Tan Phi called here
Asked by sky11841 | 08 Sep, 2021, 10:04: PM
Expert Answer
where 
is angle between Voltage and current .
is angle between Voltage and current . XC = 1/Cω is capacitve reactance and XL = Lω is inductive reactance.
C is capacitance in the circuit , L is inductance in the circuit and ω is angular frequency of alternating voltage.
If voltage v = vm sin(ωt) , then current i = im sin(ωt + Φ )
If XC > XL , then > 0 , i.e., current leads voltage by angle .
> 0 , i.e., current leads voltage by angle .If XC , XL , then < 0 , i.e., current lags behind voltage by angle .
< 0 , i.e., current lags behind voltage by angle .
Answered by Thiyagarajan K | 08 Sep, 2021, 11:14: PM
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