Alternating Current
Class 12 · Alternating Current · Practice
AC Source & Phasor — Previous-Year Questions
5 previous-year questions on AC Source & Phasor, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. An AC source delivers v = 200 sin(100πt). Its rms voltage and frequency are:
JEE 2022Q2. Peak voltage of Indian household mains (230 V rms) is approximately:
JEE 2021Q3. Time period of a 60 Hz AC source is:
JEE 2020Q4. If v = 100 sin(314t + π/3), the phase angle at t = 0 is:
JEE 2019Q5. What is V_rms for the waveform v(t) = 50 V (a square wave switching ±50 V)?
JEE 2018AC Source & Phasor previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 12 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.