EasyDeputy Executive Engineer (Electrical), Class-2, Sports Authority of Gujarat / Assistant Engineer (Electrical), Class-2,2026✓ Editorially verified
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With reference to Transformers, which of the following measures improve energy efficiency?1.Replacing old aluminum-wound transformers with copper-wound transformers.2.Using Amorphous Core transformers to reduce no-load (iron) losses.3.Operating transformers at 90-100% of their rated capacity for maximum efficiency.Select the correct answer using the codes given below:
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