When to Calculate Average Power vs RMS Power in Network Theory?

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#1 21680502 12 Aug 2018 13:45

Anupriya Srivastava Anupriya Srivastava

Anonymous

Post #1
21680502 12 Aug 2018 13:45

When asked to find power, when do we calculate average power and when RMS power?
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#2 21680503 13 Aug 2018 07:19

Kevin Angelo Ma Kevin Angelo Ma

Anonymous

Post #2
21680503 13 Aug 2018 07:19

What do you think? If you measure using a multi meter, what do you usually get?
#3 21680504 13 Aug 2018 13:09

David Ashton David Ashton

Anonymous

Post #3
21680504 13 Aug 2018 13:09

Here's a good article on why we use RMS instead of average for the effective value of a sine (or, for that matter, any) waveform.
https://electronics.stackexchange.com/questions/40341/why-v-rms-instead-of-v-average

So when to use average? If your power is on for 1 minute, off for 4 minutes, then the average power used is 200 W
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When to Calculate Average Power vs RMS Power in Network Theory?

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