Physics · JEE

AC generator and transformer Previous Year Questions for JEE

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Previous year questions are the fastest way to understand how AC generator and transformer is tested in JEE. Practise 4+ exam-pattern MCQs modelled on JEE Main and Advanced, with full solutions for every question.

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Q1PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

Which of the following statement regarding transformer is incorrect?

Q2PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

A power transmission line feeds input power

t 2300 \mathrm{V}

to a step-down transformer with its primary windings having 4000 turns. The output power is delivered at

230 \mathrm{V}

by the transformer. If the current in the primary of the transformer is

5 \mathrm{A}

and its efficiency is

90 \%,

the output current would be :

Q3PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

Which one of the following statements is true?

Q4PhysicsUnit 14: Electromagnetic Induction and Alternating Currents

A step up transformer is used to:

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Frequently asked questions

Why practise PYQs for AC generator and transformer?

PYQs reveal recurring concepts, common traps, and the difficulty level JEE expects. Solving them builds exam temperament and time management.

Does Goodmarks have actual JEE past papers?

Our bank includes exam-style MCQs aligned with JEE Main Physics syllabus for AC generator and transformer, covering the same topics as previous year papers.

How should I use PYQs for Electromagnetic Induction and Alternating Currents?

Solve timed sets, review every explanation, note weak subtopics, then revisit with focused practice on Goodmarks.

Are PYQ solutions step-by-step?

Yes. Every question includes the correct answer and a detailed explanation showing the reasoning.