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A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 kW. If the current in the secondary coil is 10 A, then the input voltage and current in the primary coil are ;

1. 440 V and 20 A
2. 440 V and 5 A
3. 220 V and 20 A
4. 220 V and 10 A CAREER POINT CAREER POINT , CP Tower, IPIA, Road No.1, Kota (Raj.), : 0744-6630500 | www.ecareerpoint.com Email: info@cpil.in Page # 8 JEE Main Online

Correct answer: 440 V and 5 A

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