What is the difference between RMS and average value

Answer Posted / vivek

RMS value is the value of root of square of posiitive and
negative both values and it is positive while average may
be negative or zero also. RMS value of a sine wave of
amplitude 1 is 1/sqrt(2) while its average is zero.

Is This Answer Correct ?    80 Yes 39 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the end effect of linear induction motor ??

1574


I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

1525


what is a synchronizing lamp ?

997


Pl.brief me any electrical major fault you have rectified.

1495


Where can I get CPWD electrical specifications & Shedule of rates? Please help me

1816






Why are cables rated for 40 KA for 0.25 Sec fault current rating?

1518


What are the different types of dams?

653


electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

1954


can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

1362


what is method for testing CT

1620


Comment on the working principle of operation of a single-phase transformer.

705


who invented active elements? plz give me the complte details of active elements...

1419


for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

1523


Why we use duplex coil and hook switch in telephone system?

4586


What are the properties of a resistor?

635