CBSE Class 12 Guess Papers Applications of Transformer in Long Distance Power Transmission Electric power generated in power stations is transmitted over long distances with the help of transformer.

CBSE Class 12 Physics Chapter 4 Practice Questions 2025: The 2024-25 Competency-Focused Questions for CBSE Class 12 Physics Electromagnetic Induction and Alternating Current (AC) are given here.

Figure1 This step-down converter drops AC mains voltage across C ac toproduce a lower DC voltage. V UZ is optional and is related to safety issues – choose higher wattage ifnecessary. V U is the ...

Calculations of power and energy are relatively straightforward when the subject is strictly dc circuits. The situation is more complex in the ac world, however.