F ← N₂ = 40 t ell Denotes iron-core 1,-100 mA For the iron-core transformer of figure. Find the magnitude of the current in the primary R20 V (p) and the voltage load (V). b. Find the input impedance of the transformer N₂ = St 000
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- Consider a source of voltage v(t)=102sin(2t)V, with an internal resistance of 1800. A transformer that can be considered as ideal is used to couple a 50 resistive load to the source. (a) Determine the transformer primary-to-secondary turns ratio required to ensure maxi mum power transfer by matching the load and source resistances. (b) Find the average power delivered to the load, assenting maximum power transfer.An ideal transformer with N1=1000andN2=250 is connected with an impedance Z22 across winding 2. If V1=10000VandI1=530 A, determine V2,I2,Z2, and the impedance Z2, which is the value of Z2 referred to the primary side of the transformer.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 the impedance seen at the supply (HV side) the power dissipated by the resistor the operating power factor of the fitting 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…
- 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…For the circuit shown in the given figure, assume that Vg˜=45 ∠0 V rms��~=45 ∠0 V rms , Rg = 9 Ω, and Ro = 5 Ω. Assume an ideal transformer. Find the equivalent resistance seen by the voltage source. The equivalent resistance is ________∠___________ Ω.1. a) Find the turns ratio N1/N2 for the ideal transformer in the circuitso that maximum average power is delivered to the 400 Ω load.2. b) Find the average power delivered to the 400 Ω load.3. c) Find the voltage V1.4. d) What percentage of the power developed by the ideal currentsource is delivered to the 400 Ω resistor?
- Consider a transformer with a primary coil consisting of 1490 turns and a secondary coil of 1900 turns. An alternating RMS voltage 232.5 V is applied to the primary coil, and the output RMS voltage 48 V is measured across the load resistor of resistance 114.5 Ohm connected to the secondary coil. What is the internal resistance of the secondary coil?For the circuit shown in the given figure, assume that Vg˜=45 ∠0 V rms��~=45 ∠0 V rms , Rg = 9 Ω, and Ro = 5 Ω. Assume an ideal transformer. The power Psource supplied by the voltage source. The power Psource supplied by the voltage source is ________ W.find the voltage and current i in the circuit ideal transformer secondary and primary ratio1:100
- Subject: Electrical Apparatus and Devices The percentage resistance and reactance of a transformer are 2%and4% respectively.(a) find the approximate percentage voltage on full load at 0.85 of lagging (b) find the approximate percentage voltage regulation on full load at 0.85pf leadingIn the circuit in Figure 2, the capacitor and The circuit of resistance is defined as a load circuit. A) Find the average power dissipated by the load circuit. B) how much of the average power calculated in a) by the resistance in the load circuit and how much spent by the capacitor? Comment on the results obtained? C) In the circuit in Figure 2, 2 / 3? A coil of is connected in series. In this case, Calculate the transformer ratio (n) to optimize power distribution to the load? Obtained comment on the result? D) Calculate the complex power and reactive power dissipated by the load in the newly created circuit.We want to transform the 230V of a modern installation into 127V for an old receiver, for this we use a domestic step-down transformer. What transformation ratio shall we use? What current will the transformer primary consume if the receiver consumes 2A? What power does the primary consume if the secondary works with FP = 0.9?