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What is the primary characteristic of the voltage transformation in an auto-transformer?
The primary and secondary voltage are always the same.
The transformation ratio is always exactly 1: 1.
The primary voltage is much higher than the secondary voltage.
The transformation ratio differs little from unity.
The transformation ratio differs little from unity.
Practice and solve "What is the primary characteristic of the voltage transformation in an auto-transformer?..." for General Engineering Civil or Electrial - BSFGroup BEngineering Setup 01 Sep 2026 Shift 1. The correct answer is Option D: The transformation ratio differs little from unity.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "What is the primary characteristic of the voltage transformation in an auto-transformer?..." for General Engineering Civil or Electrial - BSFGroup BEngineering Setup 01 Sep 2026 Shift 1. The correct answer is Option D: The transformation ratio differs little from unity.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.