(c) Figure 2 shows an AC circuit with the following components: L1 = 100mH, R1 = 1000 and C1=100µF. They are connected across an AC voltage source v,(t) = (311)sin (100tt + 20°) V. %3D C1 R1 L1 Vr1 VR1 VL1 VC1 Is Vs Figure 2 (i) Calculate the supply current Is in polar form (RMS). (ii) Determine the voltage drop across capacitor C1, resistor R1 and inductor L1 in polar form. (ii) Draw a phasor diagram showing the supply voltage Vs, the supply current Is, the voltage across the components C1, R1 and L1. (iv) What is the power factor of the circuit?

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(c) Figure 2 shows an AC circuit with the following components: L1 = 100mH, R1 = 1000 and
C1=100µF. They are connected across an AC voltage source v,(t) = (311)sin (100tt +
20°) V.
%3D
C1
R1
L1
Vr1
VR1
VL1
VC1
Is
Vs
Figure 2
(i)
Calculate the supply current Is in polar form (RMS).
(ii) Determine the voltage drop across capacitor C1, resistor R1 and inductor L1 in
polar form.
(ii)
Draw a phasor diagram showing the supply voltage Vs, the supply current Is, the
voltage across the components C1, R1 and L1.
(iv) What is the power factor of the circuit?
Transcribed Image Text:(c) Figure 2 shows an AC circuit with the following components: L1 = 100mH, R1 = 1000 and C1=100µF. They are connected across an AC voltage source v,(t) = (311)sin (100tt + 20°) V. %3D C1 R1 L1 Vr1 VR1 VL1 VC1 Is Vs Figure 2 (i) Calculate the supply current Is in polar form (RMS). (ii) Determine the voltage drop across capacitor C1, resistor R1 and inductor L1 in polar form. (ii) Draw a phasor diagram showing the supply voltage Vs, the supply current Is, the voltage across the components C1, R1 and L1. (iv) What is the power factor of the circuit?
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