Measuring peak voltage

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How to measure the peak voltage of a supply from an oscilloscope.
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Thanks for your comment. With all due respect, this video is for 14 year old kids.

mrmurrayphysics
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Thanks man, because i am currently suffer from my physic exercise, and u helped me to get my answer! :)

dogbiscuits
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if my "VRMS" or effective voltage is 141.1 volts, what is the peak to peak voltage?
How do you calculate this?

risquecat
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VRMS=root(2)*V
Peak voltage =2*root(2)*v

That means
VRMS=root(2)*10. =14.14
Peak voltage = 2*14.14. = 28.28

This is the true brother

mesfinalme
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Im not sure, but I think you times by root2

FoxxSacha
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you still didn't explain how to measure peak to peak delete your video thanks

stavroskalantzis
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With all due respect, this video is a perfect example of a little bit of knowledge being worse than none at all.  You either don't really know what you're doing or you've dumbed it down to the point that it loses actual significance.  You make a demo of peak VAC with no clear reference to RMS, you rely on an arbitrary and capricious measurement technique so absurd it borders on ludicrous (10x blocks?!  Really?!?!) and never even touch on the why PVAC is important or its relation to RMS or the AC wave.

This is how idiots come to the conclusion that they're electrical engineers before they cook themselves because they can't figure out ridiculously basic concepts like telling voltage from amperage.

redsoxrok