The RMS voltage of a sinusoidal waveform having peak voltage of 20 volts is

This question was previously asked in
BPSC AE Paper 4 (General Engineering Science) 10 Nov 2022 Official Paper
View all BPSC AE Papers >
  1. 20 V
  2. 15 V
  3. 15.5 V
  4. 14.14 V

Answer (Detailed Solution Below)

Option 4 : 14.14 V
Free
BPSC AE General Studies Mock Test
4.1 K Users
20 Questions 40 Marks 25 Mins

Detailed Solution

Download Solution PDF

Concept:

The RMS value of the voltage is given by:

\(V_{rms}={V_m\over \sqrt{2}}\)

The average value of the voltage is given by:

\(V_{avg}={2V_m\over \pi}\)

where, Vm is the maximum value of voltage.

Calculation

Given, Vm = 20 Volts

Vrms=\(\frac{20}{\sqrt2}\)

Vrms=14.14 Volts.

Latest BPSC AE Updates

Last updated on Jun 13, 2025

-> BPSC AE 2025 exam date has been revised. The exam will be conducted on July 17, 18 & 19 now. 

-> Candidates who were facing technical issues while filling form can now fill the BPSC AE application form 2025 without any issue. 

->BPSC AE age limit 2025 has been revised.

->BPSC AE application form 2025  was released on April 30. The last date to fill BPSC AE form 2025 was May 28. 

->BPSC AE interview call letters released for Advt. 32/2024.

->BPSC AE notification 2025 has been released. 

->A total of 1024 vacancies are announced through BPSC AE recruitment 2025

->The BPSC Exam Calendar 2025 has been released for the Assistant Engineer Recruitment.

-> The selection will be based on a written exam and evaluation of work experience.

-> Candidates with a graduation in the concerned engineering stream are eligible for this post.

-> To prepare for the exam solve BPSC AE Previous Year Papers. Also, attempt the BPSC AE Civil  Mock Tests.

Get Free Access Now
Hot Links: teen patti gold downloadable content teen patti all games teen patti - 3patti cards game teen patti vip teen patti master 51 bonus