transformer is designed to step down the 220 V. line voltage to 47 V. If there are 1,183 turns on the input coil how many turns should there be on the output coil

Q: A transformer has 240 windings in its primary coil and 50 in its secondary coil. If the secondary…

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Q: 19. Which of the following would step-down the voltage that comes in to a transformer? Select all…

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Q: A book light has a 1.4 W, 4.8 V bulb that is powered by a transformer connected to a 120 V electric…

A: The condition for AC transformer is, IsIp=VpVs=NpNs The number of turns of secondary coil is…

Q: A transformer has an input of 6 V, primary voltage, and an output of 36 V, secondary voltage. If the…

A: Let us consider a transformer having input voltage ,(Vi)=6 V Also, transformer having output voltage…

Q: A transformer is designed to step down the 120V line voltage to 9V. If there are 400 turns on the…

A: Given data The initial voltage is given as V1 = 120 V. The final voltage is given as V2 = 9 V. The…

Q: The generator at a power plant produces AC at 29,000 V. A transformer steps this up to 325,000 V for…

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Q: The primary coil of a transformer has 888,960 loops. The secondary coil has 3,923 loops. The primary…

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Q: A transformer is designed to step down the 220 V. line voltage to 17 V. If there are 1,551 the input…

A: A transformer works on the principal of mutual inductance between the two coil wrapped around a iron…

Q: A transformer with a 120 V input voltage has 2000 turns of wire on the input coil and 197 turns of…

A: The expression for the output voltage is,

Q: the

A: Step-up Transformers increase or step up the voltage supply to be transmitted further. When it…

Q: The primary of a step-down transformer connected to a 240 V source has 1500 turns.  The secondary…

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Q: A step-up transformer has 42 turns in primary coil and 439 turns in the secondary coil. The primary…

A: We know that  Vs/Vp = Ns/Np  Vs = NsVp/Np

Q: The generator at a power plant produces AC at 21,000 V. A transformer steps this up to 375,000 V for…

A: The operation of transformer relies on the principle of electromagnetic induction. By wrapping wire…

Q: A primary transformer has a voltage of 240V and number of revolutions 500 turns, what is the…

A: Given data:  Primary voltage (Vp) = 240 V Number of turns in primary winding (Np) = 500 Number of…

Q: She suggests that he modify an old transformer that they don't need anymore to do the job. The old…

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Q: A transformer is used to supply a 10 V model train with power from a 114 V wall plug. The train…

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Q: The generator at a power plant produces AC at 28,000 V. A transformer steps this up to 305,000 V for…

A: This question will be solved by formula of Transformer ratio.i.e., VoVi=NoNi here Vo and Vi are…

Q: A step-down transformer has 600 V across the primary coil and 120 V across the secondary. The…

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Q: charger cord used to recharge a cell phone contains a transformer that reduces 120 V AC to 5 V AC.…

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Q: what will be the voltage in the secondary winding of a transformer if the turns ratio is 4:8 and the…

A: Np : Ns = 4 : 8 Vp = 20 V Vs = ?

Q: A transformer has 25 turns in the primary coil and 200 turns in the secondary coil.  If 24 V is…

A: Given : Np = 25 Ns = 200 Vp = 24 V R = 20-Ω

Q: A transformer has an input of 80 V and an output of 55 V. If the input is changed to 74 V, what the…

A: The initial input of the transformer is Vi = 80 V. The initial output of the transformer is Vo = 55…

Q: The generator at a power plant produces AC at 20,000 V. A transformer steps this up to 355,000 V for…

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Q: turns

A: A transformer transforms energy from the primary to the secondary coil through mutual induction in…

Q: The generator at a power plant produces AC at 22,000 V. A transformer steps this up to 355,000 V for…

A: Given data: Voltage of primary coil (Vp) = 22,000 V Voltage of secondary coil (Vs) = 355,000 V…

Q: A step-down transformer is to be used to convert an ac voltage of 120 V to 5 V to power an electric…

A: Given, a step down transformer.voltage across the primary coil =120 Vvoltage across the secondary…

Q: Question 17 The primary coil of a transformer has 100 loops and is connected to a circuit with 120…

A: Concept

Q: A plug-in transformer, like that in the fIgure below, supplies 6.00 V to a video game system. How…

A: Given Voltage supplied by the transformer that is the output voltage is Vo=6.00  V Input voltage is…

Q: What electrical quantity cannot be changed by a transformer

A: What electrical quantity cannot be changed by a transformer.

Q: The primary windings of a transformer which has an 88%efficiency are connected to 110-V ac. The…

A: Given data: The efficiency of the transformer is η=88%. The voltage at the primary winding of the…

Q: A transformer is designed to step down the 220 V. line voltage to 8 V. If there are 1,753 turns on…

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Q: The generator at a power plant produces AC at 19,000 V.  A transformer steps this up to 315,000 V…

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Q: In a simple DC circuit for a flashlight, a 3 volt battery powers the light bulb which has a…

A: V = 3 volts R = 9 ohms

Q: A generator produces 35 A of current at 240 V. The voltage is increased to 12,000 V using a step-up…

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Q: A wind farm generates 2,286 kW of electrical power for a nearby community.  The transmission wires…

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Q: The magnetic field produced by a solenoid coil of 1,103 turns of superconducting wire in a magnetic…

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Q: A step-up transformer has a voltage input of 200 V and 600 turns in the primary. If the voltage…

A: Express the relation between number of turns and input voltage in a transformer. VpVs=NpNs Here,…

Q: A model-train transformer plugs into 120-V ac and draws 0.32 A while supplying 7.8 A to the train.

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Q: The primary coil of a transformer has no resistance, 3,783 turns, and is connected to an A.C. power…

A: NpNs=IsIpIp=IsNsNp

Q: Calculate the number of turns needed in the secondary winding of a transformer to transform a…

A: Transformers works on the principle of mutual induction

Q: A transformer with more windings on the primary coil than on the secondary coil...

A: Given, A transformer which has more winding turn in primary than secondary.

Q: The primary coil of a transformer has 480 turns, and the secondary has 112 turns. How much AC…

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Q: A transformer is designed to step down the 220 V. line voltage to 17 V. If there are 1,551 turns on…

A: Given: The input voltage is Vi = 220 V. Voltage in the output coil is Vo = 17 V. The number of turns…

Q: A series DC motor has a resistance of 7 Q between its terminals. The motor runs at 1,259 rpm at 230…

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Q: A step-up transformer is designed to produce 1840 V from a 112-V ac source. If there are 384 turns…

A: In an ideal transformer  VPVS=NpNs 1121840=Np384

Q: The generator at a power plant produces AC at 23,000 V. A transformer steps this up to 365,000 V for…

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