NEET 2023:12 V, 60 W lamp is connected to the secondary of a step-down transformer, whose primary is

March 3, 2025
Written By Physics Monk

Vivek SIngh sir has 16+ years of experience in teaching physics, clearing doubts for IITJEE & NEET exams.

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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) 0.27 A 2) 2.7 A. 3)3.7 A 4) 0.37 A

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