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AC Generator and Transformer for NEET: 11 solved questions

Real NEET 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 1997 to 2024. No sign-in needed to read them.

What this topic asks

• Transformers — 11 questions

All 11 questions with solutions

• A step-up transformer is connected to an ac mains supply of 220 V to operate at 11000 V, 88 watt. The current… NEET 2024 Re
• In an ideal transformer, the turns ratio is (Nₚ)/(Nₛ)=1/2. The ratio Vₛ:Vₚ is equal to (the symbols carry the… NEET 2024
• A 12 V, 60 W lamp is connected to the secondary of a step-down transformer, whose primary is connected to ac… NEET 2023
• A step-down transformer connected to an ac mains supply of 220 V is made to operate an 11 V, 44 W lamp. Ignor… NEET 2021
• A 220 volt input is supplied to a transformer. The output circuit draws a current of 2.0 ampere at 440 volt.… NEET 2010
• A transformer is used to light a 100 W, 110 V lamp from 220 V mains. If the main current is 0.5 amp, the effi… NEET 2007
• The primary winding of a transformer has 500 turns whereas its secondary has 5000 turns. The primary is conne… NEET 1997
• The primary of a transformer, when connected to a dc battery of 10 volt, draws a current of 1 mA. The number… NEET 2013
• The primary and secondary coils of a transformer have 50 and 1500 turns respectively. If the magnetic flux φ… NEET 2007
• A step-up transformer operates on a 230 V line and supplies a load of 2 ampere. The ratio of the primary and… NEET 1999
• A transformer having an efficiency of 90% is working on 200 V and 3 kW power supply. If the current in the se… NEET 2014