ARYAN PUBLIC SCHOOL, NEW DELHI
NOTICE
Date: 25 June 2025
Literary Fest 2025
Our school is organising a Literary Fest on 2 July 2025 from 9:00 a.m. to 2:00 p.m. in the school auditorium. Events include poetry, quiz, and debate. Interested students may contact the undersigned by 29 June to register.
Garima
School Pupil Leader
The alternating current \( I \) in an inductor is observed to vary with time \( t \) as shown in the graph for a cycle.

Which one of the following graphs is the correct representation of wave form of voltage \( V \) with time \( t \)?}

An ideal transformer is designed to convert 50 V into 250 V. It draws 200 W power from an AC source whose instantaneous voltage is given by \( v_i = 20 \sin(100\pi t) \, \text{V} \).
Find:
