Alternating Current vs Direct Current - Rms Voltage, Peak Current & Average Power of AC Circuits

This physics video tutorial provides a basic introduction into the difference between alternating current vs direct current. It explains how to calculate the rms voltage and rms current in an AC circuit as well as the peak voltage and peak current. In addition, it explains how to calculate the average power in an AC circuit. This video contains plenty of examples and practice problems.

Electric Current In Circuits:

The Electric Battery:

Ohm's Law Problems:

Resistance and Resistivity:

Resistor Color Code:

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Internal Resistance of a Battery:

Electromotive Force of a Battery:

Drift Velocity and Current Density:

Potential Difference Between Two Points:

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Schematic Diagrams & Symbols:

Open, Closed, and Short Circuits:

Resistors In Series:

Resistors In Parallel:

Physics PDF Worksheets:

[davidmuniz]

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[cimilar]

Dude, in my student years at school I thought these are very complex topics. It seems that my teacher was a bad teacher or you are a good teacher, I dont know anymore.

[shaniquelittle]

I feel like it's either a hit or miss when teaching physics. This video definitely a hit... My school lecturer a definitive miss!!


So helpful, thank you!!

[jamesojo]

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[tinaishemachida]

Best explanation.
My lecturer has been struggling to make me understand for like over a month but now just in 10mins i have understood whats going on
Thank

[michelleding]

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[feliperibeiro]

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[suryateja]

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[fireworkhobby]

By far the best explanation of RMS on YouTube! Others way over complicate things.

[vishalmr]

Learned my bachelor 6 months of electrical basics AC current in few minutes. Thanks :)

[JH-uxre]

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[jddominguez]

Of course my professor and the textbook we're using makes this appear 100, 000 times more complicated than it needs to be.

[fatimaanas]

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[annamand]

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[linooliva]

I’m watching these and these formulas are entirely different than the ones they’ve taught me on I’m so lost

[whoskiana]

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[MMete-ubhf]

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[successthruknowledge]

Good explanation of peak versus root mean square current and voltage and nice discussion of peak power and average power with thorough discussion of how all of the equations inter-relate!

[precisionsoundworks]

Really great. Thank you for posting. I'm new to this. I get it, but it still racks my brain! :)