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A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?

Question. A step down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?

(1) 0.2 A

(2) 0.4 A

(3) 2 A

(4) 4 A                                                                                            (NEET-2021)

 

 

Aditya Bhatt Answered question 17 February 2024
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