Alternating Current
Class 12 · Alternating Current · Practice

RMS Values — Previous-Year Questions

5 previous-year questions on RMS Values, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Q1. An AC voltage v = 282.84 sin(ωt) volts. rms voltage:

JEE 2022

Q2. If V_rms = 110 V, peak voltage is:

JEE 2021

Q3. Indian mains supply is rated 230 V. This is:

JEE 2020

Q4. A square wave of amplitude 10 V. rms value:

JEE 2019

Q5. Why do we use rms instead of average for AC current?

JEE 2018

RMS Values 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.