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Friday, 9 October

NEET UG 2023 · Physics · Question 4

NEET 2023 Physics, question 4

Question 4 of the NEET 2023 paper (code G6) is a Physics question from Alternating Current. Its idea, Ideal Transformer, was asked 3 times, in 2021, 2023 and 2024, across NEET 2017–2026. The NTA final answer key gives option 2.

Updated 2026-10-08

Q4 · Physics

A 12 V, 60 W lamp is connected to the secondary of a step down transformer, whose primary is connected to ac mains of 220 V. Assuming the transformer to be ideal, what is the current in the primary winding?

  1. 10.37 A
  2. 20.27 AOfficial answer
  3. 32.7 A
  4. 43.7 A

Official answer: option 2 · NTA final answer key

Same idea

Ideal Transformer, in other papers

NEET asked this idea 3 times, in 2021, 2023 and 2024. The other 2 questions below.

  • 2024 Q22In an ideal transformer, the turns ratio is NpNs=12\frac{N_p}{N_s} = \frac{1}{2}. The ratio Vs:VpV_s : V_p is equal to (the symbols carry their…Numerical · Easy
  • 2021 Q39A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the…Numerical · Easy

Ideal Transformer: every question and how it was framed

The chapter

Alternating Current in ten years of NEET

15 questions from 2017–2026, asked in 8 of 10 papers, about 1.4 a paper. LCR Circuits alone had 15.

Alternating Current: questions per paper

0240’171’180’192’203’212’223’232’241’251’26