In a step-up transformer, the turn ratio is 1: 20. The resistance of 100connected across the secondary is drawing a current of 2 A. What arethe primary voltage and current respectively?

Answered: In a step-up transformer, the turn…

In a step-up transformer, the turn ratio is 1: 20. The resistance of 100 2 connected across the secondary is drawing a current of 2 A. What are the primary voltage and current respectively?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.32MCQ

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Question

In a step-up transformer, the turn ratio is 1: 20. The resistance of 100
connected across the secondary is drawing a current of 2 A. What are
the primary voltage and current respectively?

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Step 2: Calculation of primary voltage:

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Step 3: Calculation of primary current:

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