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A 12V 60W lamp is connected to the secondary of a step-down transformer

Q. A 12V 60W 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                                                                                               (NEET-2023)

 

Aditya Bhatt Answered question 8 February 2024
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