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Transformer

A transformer is an electrical device that steps ac electric power from one voltage level to another.

Transformer 

An isolation transformer has primary to secondary turns ratio of

March 19, 2021March 19, 2021 Electric 0 Comments

An isolation transformer has primary to secondary turns ratio of: 1:1 1:2 2:1 Any of above Correct answer: 1. 1:1

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Transformer 

The flux in the core of single-phase transformer is

March 13, 2021March 13, 2021 Electric 0 Comments

The flux in core of single phase transformer is: Purely rotating one Purely alternating one Partly alternating and partly rotating

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Transformer 

Certain transformer has full-load copper losses of 500 W. What is the value of the copper loss at half load

March 12, 2021March 12, 2021 Electric 0 Comments

Certain transformer has full-load copper losses of 500 W. What is value of copper loss at half load: 62.5 W

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Transformer 

What is the full load primary current of a 3000/150 V, 30 kVA transformer

March 12, 2021March 12, 2021 Electric 0 Comments

What is the full load primary current of a 3000/150 V, 30 kVA transformer: 2 A 5 A 10 A

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Transformer 

Transformer MCQ Part 9

December 19, 2020December 19, 2020 Electric 0 Comments

Transformer MCQ Questions The iron core in transformer provides _____________ path to main flux The iron core in transformer provides

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Transformer 

Transformer MCQ Part 8

December 19, 2020December 19, 2020 Electric 0 Comments

Transformer MCQ Questions The efficiency of two identical transformers under load conditions can be determined by which of the following

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Electrical Machines Transformer 

The voltage per turn of primary of the transformer as compared to the voltage per turn of the secondary is

December 18, 2020December 18, 2020 Electric 0 Comments

The voltage per turn of primary of transformer is ___________ as compared to voltage per turn of secondary: Less More

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Electrical Machines Transformer 

Which of the following is the purpose of providing an iron core in transformer

December 16, 2020December 16, 2020 Electric 0 Comments

The purpose of providing iron core in transformer is to: Decrease the reluctance of the magnetic path Provide support to

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Electrical Machines Transformer 

The efficiency of a power transformer is around

December 16, 2020December 16, 2020 Electric 0 Comments

The efficiency of a power transformer is around: 40% 70% 80% 95% Correct answer: 4. 95%

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Transformer 

Which of the following property is not possessed by a transformer

December 15, 2020December 15, 2020 Electric 0 Comments

A transformer doesn’t posses ______________ changing property: Voltage Current Power Impedance Correct answer: 3. Power

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Electrical Engineering MCQ

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Electrical Engineering MCQ List

  • Units and Quantities
  • Basic Electrical Laws
  • BJT MCQ
  • Control System MCQ
  • Basic Electronics
  • Diode MCQ Questions
  • Induction Motor MCQ
  • Measurement and Instrumentation
  • Synchronous Generator MCQ
  • Synchronous Motor MCQ
  • Sensors
  • Transformer
  • Digital Electronics MCQ
  • Power Electronics MCQ
  • Op Amp MCQ
  • Power Generation MCQ
  • Power Transmission & D
  • Power System Protection
  • Power System Analysis
  • High Voltage Engineering
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