furns and a secondary colil aof 88 turns b) resistor lamp AC A Figure 18.36 a) If the primary coil is connected to the I10V AC mains supply, what will be the secondary voltage? b) Calculate the efficiency of the transformer if the primary current is 0.5 A and the secondary current 5.0A. c) The secondary coil is removed and a small coil connected to a low voltage lomp is plac

Q: You have a transformer with a primary current of Ip = 15 A and a primary voltage of Vp = 2050 V. The…

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Q: A transformer has a primary voltage of V,= 400 V and primary current of I,= 1.5 A. If the measured…

A: Given : primary voltage, Vp = 400 V              primary current, Ip = 1.5 A              Secondary…

Q: The primary coil of a transformer has N1 = 250 turns, and its secondary coil has N2 = 1500 turns. If…

A:

Q: An ideal neon sign transformer provides 9 250 V at 30.0 mA with an input voltage of 115 V. Calculate…

A: We know that-For an ideal transformer,The power input equals the power output,Input power of the…

Q: A transformer has a primary voltage of Vp= 600 V and primary current of Ip= 2.5 A. If the measured…

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Q: A step-down transformer has a turns ratio of 1:10, and its primary is connected across the terminals…

A: If a voltage 'V' is applied across a resistance 'R', then the power dissipation in that resistor is:…

Q: Question 8 900 turns 2200 400 2 500 Ω turns 3.3 k2 Calculate all voltages and all currents in this…

A: Given data: The primary turns is Np=900. The secondary turns is Ns=2200. The voltage drop across…

Q: A transformer has 380 primary turns and 1140 secondary turns. The input voltage is 120 V and the…

A: Given: Number of primary turns are 380 Number of secondary turns are 1140 Input voltage is 120 V…

Q: What is the current in the secondary line? If the primary 120V AC line with 50 turns around a core,…

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Q: V= ? 17,000 V 21. From the energy conservation point of view, the input power of the first…

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Q: A step-down transformer has 70 turns in its primary coil and 14 turns in its secondary coil. The…

A: Given Primary coil - 70 turns Secondry coil - 14 turns Voltage ratio - 14/70 = 0.2

Q: Problem 8: Suppose a large power plant generates electricity at 12.0 kV. Its old transformer once…

A: Part (a)Find the relation between current, power and voltage.

Q: A scale train transformer is plugged into 120 V ac and draws 0.35 A while supplying 7.5 A to the…

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Q: The sketch represents an ideal transformer. What is the current in the secondary if the primary side…

A: This is a step up transformer. NpNs=VpVsCalculate the voltage generated across the secondary…

Q: An ideal neon sign transformer provides 9330 V at 29.0 mA with an input voltage of 110 V. Calculate…

A: In case of ideal transformer, Pin= Pout Power = voltage× current Pin= input power= vinIin Where, Vin…

Q: A 50 Hz AC generator's 1m x 2m coil with 100 turns is in a uniform magnetic field of 0.1 T. What is…

A: A 50 Hz AC generator's 1m x 2m coil with 100 turns is in a uniform magnetic field of 0.1 T. What is…

Q: A transmission line that has a resistance per unit length of 4.30 x 104 n /m is to be used to…

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Q: For the transformer in the picture, determine: The transformer ratio, Np/Ns The secondary voltage,…

A: TRANFORMATION RATIO Np/Ns= 100/500 = 0.2 secondary voltageVp/Vs = Np/NsVs= Vp .Ns/Np = 110 .…

Q: Ex. 7: When 100V D.C. is applied across a coil, a current of 1A flows through it. When 100 V A.C. of…

A: We need to compute-Resistance (R)=?Impedance (Z)=?Self Inductance (L)=?The data given as-Applied emf…

Q: Two identical single phase transformers are connected in V-V-connection across three-phase mains and…

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Q: A transformer is to be used to provide power for a computer disk drive that needs 5.0 V (rms)…

A: Given that the value of primary and secondary voltage and secondary Current. Then We have to…

Q: B-H curve of iron, used to make transformer co shown below. A 11 kV/400 V, 100 kW, 50 Hz transformer…

A: Concept used: Hysteresis is a phenomena in which magnetic field of an object lacks behind the…

Q: The input coil of a transformer has 10 windings. The output coil has 40 windings. If an AC current…

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Q: An inductor with an inductance of 5.75 H and a resistance of 9.00 2 is connected to the terminals of…

A: Given  The inductance of the inductor is L = 5.75 H. The value of resistance is R = 9 Ω. The voltage…

Q: When a 100 volt. D.C. is applied across a coil, a current of 1 amp flows through it. When a 100…

A: When 100 volt DC is applied 1 amp flows through it Therefore Resistance  = 100/ 1 = 100 ohm…

Q: With the specific variables mentioned below, what is the number of secondary loops (Ns) of the…

A:

Q: Ex.3-Cell phone charger. The charger for a cell phone contains a transformer that reduces 120- V (or…

A: V1= 120v  V2= 5v  N2= 30

Q: A coil of inductance 0.5H and resistance 100n is connected to a 240V,50HZ ac supply. a) What is the…

A: Given value--- inductance = 0.5 H. resistance = 100 ohm. Voltage = 240 V  frequency = 50 Hz. We…

Q: A transformer for a household appliance changes the voltage from a 120-Volt outlet to the 20.5 Volts…

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Q: What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if…

A: (a)Write the relation between turns of winding and voltage between primary and secondary winding.

Q: 220 V is supplied across 1200 windings of the autotransformer. If 1650 primary coil of the windings…

A: We have following given values-Voltage, V= 220 VoltPrimary Windings, N1= 1200Secondary Windings, N2=…

Q: 12. A 600 kVA, 2000/200V  transformer has a primary winding resistance of 0.6Ω and a secondary…

A: Given- Power = 600 KA Primary voltage V1=2000 V Secondary voltage V2=200 V Primary winding…

Q: A generator produces 18.0 V when turning at 910 rev/min. What emf does it produce when turning at…

A: Emf produced by the generator is 10.68V Explanation:Given data:-solution:-

Q: An AC transformer in Okahandja operates at input voltage of eight-and-a-half kilo-volts to suppy 120…

A:

Q: When I visit family in India, I usually need an adapter to use my US bought electrical devices (hair…

A: Given, Vinput=220 VVoutput=110Vnprimary=100

Q: An ideal neon sign transformer provides 9 250 V at 30.0 mA with an input voltage of 115 V. Calculate…

A: We know that-For an ideal transformer,The power input equals the power output,Input power of the…

Q: An ideal step-up transformer with turn ratio 1:30 is supplied with an input power of 120 W. If the…

A: According to the ideal transformer, V1V2=N1N2V1=N1N2V2=130210 V=7 V Find the input current.…

Q: A coil consists of 750 turns and a current of 10A in the coil gives rise to a magnetic flux of…

A: We are given the magnetic flux of coil. We are also given number of turns of coil. We are also given…

Q: A transformer having efficiency of 90% is working on 200 V and3 kW power supply. If the current in…

A:

Q: A student needs to reduce the percent power loss by 100 times by using a transformer. What would the…

A: Power loss (Ploss) = I2R ...... (1) Here, I is the current and R is resistance As I = P/V .......…

Q: A direct current of 25A creates a flux of 1.4 X 10-4 Wb in a coil of 500 turns.  What is the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is connected…

A: Given A transformer has 600 turns on its secondary and 100 turns on its primary. The primary is…