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AC Generator and Transformer for GSEB: 9 solved questions

Real GSEB paper questions on ac generator and transformer, part of alternating current. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2016 to 2023. No sign-in needed to read them.

What this topic asks

• Transformers — 9 questions

All 9 questions with solutions

• Which device is used to increase or decrease A.C. voltage? GSEB Board July 2016
• The output power in a step-up transformer is _. GSEB Board July 2017
• A power transmission line feeds input power at 3300 V to a step-down transformer with its primary windings ha… GSEB Board March 2020
• In practice, for a step-up transformer the current in the primary is I_P and the current in the secondary is… GSEB Board March 2020 (old course)
• For an ideal step-down transformer, GSEB Board July 2021
• If Pₒ is the output power and Pᵢ is the input power of a real step-up transformer, then GSEB Board March 2022
• To serve which one of the following purposes is a laminated core used in the construction of a transformer? GSEB Board July 2022
• A power transmission line feeds input power at 2300 V to a step-down transformer with its primary winding hav… GSEB Board March 2023
• A power transmission line feeds input power at 2300 V to a step-down transformer with its primary windings ha… GSEB Board July 2023