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If a 2200/220 V, 60 Hz single phase transformer has primary and secondary resistance of 100 Ω and 10 Ω, respectively. Then the value of equivalent resistance of the transformer referred to the primary side and secondary side are
- a)1100 Ω and 20 Ω respectively
- b)20 Ω and 1100 Ω respectively
- c)1100 Ω and 11 Ω respectively
- d)11 Ω and 1100 Ω respectively
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
If a 2200/220 V, 60 Hz single phase transformer has primary and second...
Concept:
In a transformer, the turns ratio is given by
Where V1 is the primary voltage
V2 is the secondary voltage
N1 is the primary turns
N2 is the secondary turns
I1 is the primary current
I2 is the secondary current
The equivalent resistance of the transformer referred to the primary side = R1 + n2R2
The equivalent resistance of the transformer referred to the secondary side = R2 + R1/n2
Calculation:
Given that, primary voltage (V1) = 2200 V
Secondary voltage (V2) = 220 V
Primary resistance (R1) =100 Ω
Secondary resistance (R2) = 10 Ω
Turns ratio = 2200/220 = 10
∴ Equivalent resistance of the transformer referred to the primary side
=> R1 + n2R2 = [100 + (10)2 × 10] = 1100 Ω
∴ Equivalent resistance of the transformer referred to the secondary side
=> R2 + R1/n2 = [10 + 100/(10)2] = 11 Ω
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If a 2200/220 V, 60 Hz single phase transformer has primary and secondary resistance of 100 Ω and 10 Ω, respectively. Then the value of equivalent resistance of the transformer referred to the primary side and secondary side area)1100Ω and 20Ωrespectivelyb)20 Ω and 1100 Ωrespectivelyc)1100Ω and 11 Ωrespectivelyd)11 Ω and 1100 ΩrespectivelyCorrect answer is option 'C'. Can you explain this answer?
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If a 2200/220 V, 60 Hz single phase transformer has primary and secondary resistance of 100 Ω and 10 Ω, respectively. Then the value of equivalent resistance of the transformer referred to the primary side and secondary side area)1100Ω and 20Ωrespectivelyb)20 Ω and 1100 Ωrespectivelyc)1100Ω and 11 Ωrespectivelyd)11 Ω and 1100 ΩrespectivelyCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about If a 2200/220 V, 60 Hz single phase transformer has primary and secondary resistance of 100 Ω and 10 Ω, respectively. Then the value of equivalent resistance of the transformer referred to the primary side and secondary side area)1100Ω and 20Ωrespectivelyb)20 Ω and 1100 Ωrespectivelyc)1100Ω and 11 Ωrespectivelyd)11 Ω and 1100 ΩrespectivelyCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If a 2200/220 V, 60 Hz single phase transformer has primary and secondary resistance of 100 Ω and 10 Ω, respectively. Then the value of equivalent resistance of the transformer referred to the primary side and secondary side area)1100Ω and 20Ωrespectivelyb)20 Ω and 1100 Ωrespectivelyc)1100Ω and 11 Ωrespectivelyd)11 Ω and 1100 ΩrespectivelyCorrect answer is option 'C'. Can you explain this answer?.
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