You are given five light bulbs designed to operate on 160 mA current at 3.0 V (rms values), arid want to connect them in parallel, through an ideal transformer, to 120 V rms AC household power. a) Draw a circuit diagram showing the AC power source (a generator symbol ), the transformer, and resistors for the light bulbs. b) Is the required transformer step-up or step-down? What turns ratio N5/N is needed? e) Calculate the ruts current through both the primary and secondary coils of the trans former, in mA.

Q: A 200/100 V, 50 Hz transformer is to be excited at 40 Hz from the 100 V side. For the exciting…

A: Excitation current = E/X

Q: Consider a transformer with a primary coil consisting of 1490 turns and a secondary coil of 1900…

A: Given in the question: Turns in the primary winding = N1 = 1490 Turns in the secondary winding, N2 =…

Q: An ideal transformer with a primary winding number of 250 and a secondary winding number of 500 has…

A: it is given that the transformer is ideal. the applied voltages are too low but it is ideal…

Q: An ideal transformer has a primary impedance of (10+j6) ohms, secondary impedance of (3+j5) ohms and…

A: It is given that: Zp=10+j6 ΩZs=3+j5 ΩNs=200 turnsϕm=75 mWb=75 ×10-3 Wbf=50 Hz

Q: The flux linking of winding 2 if the current in the winding 1 is -4 A, and the current in winding 2…

A:

Q: What is the relationship between the power losses and the load current of a power transformer?…

A:

Q: (b) Explain why a power transformer is ideally designed so that the flux density in the magnetic…

A: The answer is provided in the following steps.   It is best with my knowledge, please refer all the…

Q: Consider the following short circuit transformer as shown in figure below which operate at: the…

A: The solution is given below

Q: The transformer (Es1=Es2=12V) is rated 220V:12V-0-12V and the average current through the load RL is…

A: The transformer is rated 220V:12V-0-12V The average current through the load RL = 400mA. F=60Hz Need…

Q: DC 200 V is applied to the primary of a transformer with a conversion ratio of 1/5. From secondary…

A: The winding functions as a short circuit through the source terminals of DC when a DC voltage is…

Q: From the short circuit test and open circuit test in #19 and #20, the equivalent circuit of a…

A:

Q: 2) With the help of illustration given below, evaluate with a discussion the points mentioned in the…

A:

Q: 2-An ideal transformer consists of a primary winding (100 turn) and a secondary winding (1000 turn).…

A: Given here an ideal transformer primary winding turns and secondary winding turns and secondary…

Q: E1 3. For ideal transformer on no load E2 ... ...

A: As per our company guidelines we are supposed to answer only first one. Kindly repost other…

Q: Can I have a little help with this , or an explanation to how to get started . A solution would be…

A:

Q: Analysis of an Ideal Transformer Circuit The turns ratio of the step-up transformer in Figure 2 is…

A:

Q: Consider the circuit in the figure below: a) What are the benefites of using the transformer in this…

A: Cut in voltage of silicon diode is 0.7V and cut in voltage of germanium diode is 0.3V. During…

Q: A 50 KVA, 4,400/220 V transformer has r1 =3.54 ohms r2=0.009 ohms, x1 =5.2 ohms and x2 =0.15 ohn…

A:

Q: An ideal transformer has a 150-turn primary and 750-turn secondary. The primary is connected to a…

A:

Q: 1. The RMS value of induced emf in the primary N1 winding is E1 =; E2 = 2. In ideal transformer on…

A:

Q: The primary of a current transformer takes 1 A at a power factor of 0.4 when it is connected across…

A: Given: N1=2N2Io=1 Acosϕo=0.4I2=50 Acosϕ2=0.8 lag

Q: The table below shows some performance parameters of a certain power transformer. Full-load voltage…

A: In this question we need to find a voltage regulation for the given condition.

Q: 1. A single-phase transformer having a ratio of 4400:220 and having an effective core area of 120…

A: The solution is given below. The problem is related to transformer.

Q: We have a transformer designed to operate at 60 Hz. The voltage ratings are 4800 V rms and 240 V rms…

A: Given: A transformer is designed to operate at a frequency: f1=60 Hz New frequency is f2=120 Hz…

Q: Figure Q1 shows a transformer core that has the primary winding (Np) of 500 second winding (N,) of…

A: Introduction: A transformer is a device that steps up or steps down the level of voltage without…

Q: Electrical Engineering... What is the function of potential transformer? Drawbacks ?

A: Transformers are passive electromagnetic devices that transfer electrical power magnetically from…

Q: For the ideal transformer shown in the figure below, if E=170V and RL = 120 then the source current…

A: Step 1: Given, Source voltage E = 170 V, load resistance RL = 12 Ω and turns ratio (Np/Ns) = 2:1we…

Q: What is the turns ratio of the transformer needed to match a 1 k source resistance to a 160 load?…

A: We need to find out the turn ratio for given load resistance

Q: You have been assigned to select a transformer to supply a peak power of 100 kW to a load that draws…

A: Given a transformer is supplying the peak load of 100 kw for small time and very less load in the…

Q: The open-circuit voltage of 240V and the full load secondary voltage of 220 V, then the % regulation…

A: The open-circuit voltage of 240V the full load secondary voltage of 220 V, then the % regulation of…

Q: (a) Describe the main difference between ideal transformer and practical transformer with help of…

A: In this question need to describe the main difference between ideal transformer and practical…

Q: A single phase, 500 kVA, 4400/440 V transformer has 100 turns in its secondary winding. Then find…

A: Solution: A single phase: KVA =500 KVA     4400/440 V,  turns N2=100, Find: primary winding turns…

Q: a) As depicted in the figure, input voltage is 120 Volts (RMS) and diode drops are 0.7 Volts. Design…

A: According to the question,  (a) As depicted in the figure, input voltage is 120 Volts (RMS) and…

Q: Q-3 A Cockcroft-Walton type voltage multiplier has ten stages with capacitances, all equal to 0.1…

A: For the given  C= 0.1 uF  V = 100kV  f = 60Hz I =5 mA n =10

Q: 8. The two winding transformer and the autotransformer of the circuit shown in Figur Determine the…

A: given transformer and autotransformer