In a series LR circuit X₁ = R and power factor of the circuit is P₁. When capacitor with capacitance C such that X₁ = Xc is put in series, the power factor XL becomes P₂. Calculate P₁ P₂
In a series LR circuit X₁ = R and power factor of the circuit is P₁. When capacitor with capacitance C such that X₁ = Xc is put in series, the power factor XL becomes P₂. Calculate P₁ P₂
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need only solution of part (ii)
Transcribed Image Text:6. (i) An ac source of voltage V = Vosin oot is connected
to a series combination of L, C and R. Use the phasor
diagram to obtain expressions for impedance of
the circuit and phase angle between voltage and
current. Find the condition when current will be in
phase with the voltage. What is the circuit in this
condition called?
(ii) In a series LR circuit X₁ = R and power factor of
the circuit is P₁. When capacitor with capacitance C
such that X₁ = Xc is put in series, the power factor
P₁
P₂
becomes P₂. Calculate
2°
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