Alternating Current

CBSE Class 12 · Physics · 10 past questions

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1. Q3 2025

   A transformer is connected to a 200 V ac source. The transformer supplies 3000 V to a device. If the number…

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2. Q4 2025

   For Questions 13 to 16, two statements are given – one labelled Assertion (A) and other labelled Reason (R).…

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3. Q6 2024

   Which of the following quantity/quantities remains same in primary and secondary coils of an ideal…

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