The diagram shown below is a typical tuning circuit. Considering this circuit comprises a transformer (with a coil ratio of 20:1 and an HV side voltage of 240V ), a capacitor of impedance -j20Ω, an inductor of impedance j40Ω, and a 50Ω resistor, determine:the current supplied by the source (0.2228)the impedance seen at the supply (HV side)(21540.55)the power dissipated by the resistor(2.482 watts)the operating power factor of the fitting(0.928 lagging)If the capacitor is now removed from the above circuit and is placed in parallel with the secondary of the transformer, redraw the circuit diagram and recalculate parts a. to d. in question (i).Draw the phasor diagram for both series and parallel RLC circuits in parts (i) and (ii). Discuss the effects of changing the capacitor connection in parallel on the power factor of the circuit.State the benefits of using the transformer in the above circuit. Explain the operating principle of the transformer with particular reference to electro-magnetic induction and induced emfs Supply240V RMS40°50Hz20:1Xc = -j200mmX₁ =j400R = 500

A transformer is an electrical device that transfers electrical energy between two or more circuits…

Answered: The diagram shown below is a typical…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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The diagram shown below is a typical tuning circuit. Considering this circuit comprises a transformer (with a coil ratio of 20:1 and an HV side voltage of 240V ), a capacitor of impedance -j20Ω, an inductor of impedance j40Ω, and a 50Ω resistor, determine:

the current supplied by the source (0.2228)
the impedance seen at the supply (HV side)(21540.55)
the power dissipated by the resistor(2.482 watts)
the operating power factor of the fitting(0.928 lagging)

If the capacitor is now removed from the above circuit and is placed in parallel with the secondary of the transformer, redraw the circuit diagram and recalculate parts a. to d. in question (i).
Draw the phasor diagram for both series and parallel RLC circuits in parts (i) and (ii). Discuss the effects of changing the capacitor connection in parallel on the power factor of the circuit.

State the benefits of using the transformer in the above circuit. Explain the operating principle of the transformer with particular reference to electro-magnetic induction and induced emfs

Supply
240V RMS
40°
50Hz
20:1
Xc = -j200
mm
X₁ =j400
R = 500

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If the capacitor is now removed from the above circuit and is placed in parallel with the secondary of the transformer, redraw the circuit diagram and recalculate parts a. to d. in question (i).
Draw the phasor diagram for both series and parallel RLC circuits in parts (i) and (ii). Discuss the effects of changing the capacitor connection in parallel on the power factor of the circuit.

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