The primary windings of a transformer which has an 88%efficiency are connected to 110-V ac. The secondarywindings are connected across a 2.4Ω, 75-W lightbulb.(a) Calculate the current through the primary windings ofthe transformer. (b) Calculate the ratio of the numberof primary windings of the transformer to the number ofsecondary windings of the transformer.

Q: generator supplies 120 V to a transformer's primary coil, which has 58 turns. If the secondary coil…

A: Given Primary voltage Vp = 120 V Number of turn in primary Np = 58 Number of turn in secondary Ns =…

Q: The ratio of transformation is 50. If 220V AC is supplied to its primary coil, voltage in secondary…

A: Given: The ratio of transformation is 50. The supplied voltage in the primary is 220 V.…

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Q: A generator supplies (2.460x10^2) V to the primary coil of a transformer. The primary has 50 turns…

A: Given data :  Voltage in primary coil Vp = 2.460 × 102 V  Number of turns in primary coil Np = 50…

Q: A transformer has 496 turns on its primary and 122 turns on its secondary. (a) Is this a step-up or…

A: (a) For transformer, Here, Vs, Vp, Np and Ns represent the secondary voltage, the primary voltage,…

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 step-up transformer is designed to produce 1610 V from a 115-V ac source. If there are 392 turns…

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

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

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: The secondary coil of a transformer has 440 turns, and produces an output AC voltage of 25.0 V when…

A: GivenNumber of turn in secondary coil (Ns)=440 turnOutput voltage of Secondary coil(Vs)=25 VVolatge…

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

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Q: A transformer is used to step down the 120 V AC power in an outlet to 5.00 V for a radio. If the…

A: We have N1N2=V1V2

Q: A 46.5[V] AC source is connected to a transformer with 244coils/turns around the transformer. If we…

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Q: In a non-ideal transformer, provide a physical explanation as to why the current in the primary coil…

A: consider the transformer arrangement as shown

Q: A transformer has a turns ratio of two to one. If a 100 ohm resistor is connected on the high side,…

A: The expression for total resistance, which is referred to primary,

Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 350…

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Q: Find the following: Voltage induced in the Secondary winding Current flowing in the Secondary…

A: Given  P=20KVA=20000 VA (power rating of transformer) N1=440(number of turns in primary coil)N2=55…

Q: A transformer has 500 turns on its secondary and 100 turns on its primary. The primary is connected…

A: a) Let the primary winding’s number is Np and the secondary winding’s number is Ns. The voltage in…

Q: A 24300 / 300 volts, 62 hz, 147.6 KVA step down transformer has an induce emf of 3 volts per turn.…

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Q: (a) A transformer has Np-273 primary turns and N,-1345 secondary turns. The input voltage is V-220 V…

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Q: Give an example of an electrical device that runs on DC. Explain how the device has to be adapted so…

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Q: Consider a transformer consisting of a primary coil with 498 turns, a secondary coil with 117 turns,…

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Q: When 9 A of AC current at 123 V flows in the primary coil of an ideal transformer, how many amps at…

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Q: a step down transformer has an output of 12v and .5A when connected to a 120V line. assume no…

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

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

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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: A transformer has 500 turns in its primary and 300 turns in its secondary. 1200 V ac is connected to…

A:

Q: For Transformer winding1 N1=1000 turns, N2= 200 turns and V1=220 Volts, secondary resistance What is…

A: Hey dear this is very simple problem. I have firstly calulated V2 and then I2 and the primary…

Q: A plug-in transformer, like that in the figure below, supplies 9.00 V to a video game system.…

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Q: Calculate the voltage output by the secondary winding of a transformer if the primary voltage is 230…

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

A: Given data: Number of turns on primary coil is Np=100. Number of turns on secondary coil is Ns=600.…

Q: Three 1100/110 V transformers are connected AA and supply a lighting load of 120 kW. If one of these…

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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…

Q: A typical wall outlet voltage in the United States is 120 volts. Personal MP3 players require much…

A: Given data:  Primary Voltage (Vp) = 120 V Second voltage (Vs) = 104.2 mV Primary turns (Np) = 6908…

Q: A transformer with 500 turns in the primary coil has to decrease the voltage from 4.4kV to 220v for…

A: Given data primary coil-        N1=500 turns, V1=4.4 kV =4400 v secondary coil-    V2=220 v and…