Question: The primary windings of a transformer which has an 80% efficiency are connected to 110-V ac. The secondary windings are connected across a 2.4-, 75-W

The primary windings of a transformer which has an 80% efficiency are connected to 110-V ac. The secondary windings are connected across a 2.4-Ω, 75-W lightbulb,
(a) Calculate the current through the primary windings of the transformer,
(b) Calculate the ratio of the number of secondary windings of the transformer.

Step by Step Solution

★★★★★

3.40 Rating (175 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a From the efficiency of the transformer we have P 080P Use this to calculate ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

P-E-E-I (49).docx

120 KBs Word File

Students Have Also Explored These Related Electricity and Magnetism Questions!

The primary windings of a transformer which has 88% efficiency are connected to 110-V ac. The secondary windings are connected across a 2.4-, 75-W light bulb. (a) Calculate the current through the...

A lightbulb marked 75 W [at] 120 V is screwed into a socket at one end of a long extension cord, in which each of the two conductors has resistance 0.800 '. The other end of the extension cord is...

A lightbulb marked 75 W [at] 120 V is screwed into a socket at one end of a long extension cord in which each of the two conductors has a resistance of 0.800 . The other end of the extension cord is...

Whenever a lab asks you to assemble a circuit, and measure some quantities, implement (capture) the circuit in MultiSim, and use its simulation tools to gather the measurements. Rectification is the...

Experiment 7 Lab Manual American International University- Bangladesh Department of Electrical and Electronic Engineering EEE2208: Electrical Machines 1 Laboratory Title: Study of a Single-Phase...

In a 30 KVA power, Yz5 connected 10kV / 525V, 50 Hz ONAN cooled three-phase transformer given as: R1 = 43.2 n/phase R2 = 0.12 / phase, X1o = 46.9 / phase, X20 = 0.125 / phase When the transformer is...

2. In Roman mythology Mars (the god of war) had two attendants, Phobos (fear) and Deimos (panic). This is the origin of the names for the two moons of the planet Mars. Phobos has a mass of 1.08x1016...

Question - 1 : [ CLO - 3 , 4 ; Tax - 1 ; 0 5 marks ] Three similar coils, each having a resistance of 4 . 0 and an inductive reactance of 3 . 4 6 , are connected ( a ) in star and ( b ) in delta...

Hello, you already did chapter 1 and 2 of my MASTERS Thesis already for me. (See attached) So normally you know masters thesis consist of 5 chapters right ??..... But in this case my thesis will be 4...

HW 7 help please ) of O zoom + 1. The series RLC circuit pictured below has an rms Voltage of 120 V. Use the information provided to determine: a. Capacitive Reactance b. Inductive Reactance c. The...

Explain the investigation process As an HR manager, identify the first three steps you recommend the HR team take to begin to investigate this scenario. Explain how the steps you are recommending are...

Create a list of the most successful companies that you can think of. What do these companies have that others dont? Are the things those companies possess rare and inimitable? What makes those...

Prioritize those factors which you believe may have the greatest impact upon the operations of the business.

On July 1, 2014, Melanie Thornhill began her third month of operating an electronics repair shop called MT Repairs out of her dad's garage. The following occurred during the third month of...

The financial statements of Trifolium Corporation for fiscal 2015 to fiscal 2017 are as follows (in thousands): Instructions (a) Calculate Trifolium's (1) Inventory turnover and (2) Average days to...

The trial balance for Darby Kite Store as of December 31, 20-1, is shown on page 608. At the end of the year, the following adjustments need to be made: (a and b) Merchandise inventory as of December...

Suppose that the government imposes a tax on heating oil. a. Would the deadweight loss from this tax likely be greater in the first year after it is imposed or in the fifth year? Explain. b. Would...

It is a hot day, and Bert is thirsty. Here is the value he places on a bottle of water: Value of first bottle..... $7 Value of second bottle.....5 Value of third bottle.....3 Vale of fourth...

When the economy is operating at a relatively low level of GDP, expansionary fiscal policy will cause a. Large increases in output but small increases in the price level. b. Large increases in output...

GlobalBankCrdit Financial Holdings PLC has the following assets on its balance sheet: Asset Amount Cash and equivalents $5,000,000 Government securities $1,500,000,000 Interbank loans $100,000,000...

Which of the following statements is CORRECT? 1. A time line is not meaningful unless all cash flows occur annually. 2. Time lines are not useful for visualizing complex problems prior to doing...

Cul de las siguientes podra ser una razn por la cual los rivales de la industria a menudo se sienten motivados a establecer asociaciones estratgicas con proveedores clave? Elige la mejor respuesta...