Mesh Current Problems - Electronics & Circuit Analysis

This electronics video tutorial explains how to analyze circuits using mesh current analysis. it explains how to use kirchoff's voltage laws combined with ohm's law to calculate the electric current flowing through each resistor as well as the electric potential of each node.
Basic Electronics For Beginners:
• Basic Electronics For ...
Electric Power & Cost if Electricity - KWh:
• Electric Power and The...
Electricity - Basic Introduction:
• Electricity - Basic In...
Wire Gauge & Amperage:
• Wire Gauge - AWG, Ampe...
Intro to Multimeters:
• Intro to Multimeters -...
The Wheatstone Bridge Circuit:
• How To Solve The Wheat...
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Node Voltage Method Circuit Analysis:
• Node Voltage Method Ci...
Norton's Theorem Circuit Analysis:
• Norton's Theorem and T...
Thevenin's Theorem Circuit Analysis:
• Thevenin's Theorem - C...
The Superposition Theorem:
• Superposition Theorem
Maximum Power Transfer:
• Maximum Power Transfer...
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[@TheOrganicChemistryTutor]

Final Exams and Video Playlists: www.video-tutor.net/
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I understood mesh analysis more in 30 minutes from your explanation than I did from my 2 hour lecture. Thank you!

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Indian lecturer?

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[@devvrath123]

Thank you! I've finally understood Kirchhoff's laws and mesh current analysis after watching this video

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[@Harumy0810]

Thank you for this video! I've been confused with my teacher's method because when I change the direction of the loop, it no longer works but this still works whatever the direction of the loop was. Again, Thank you!!

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unbelievably explained, thanks.

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[@NkamKacyNdoh]

Jeez I understood mesh more than I did in my 3hrs class
Thanks very much sir

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[@user-eb1rg6qr2x]

I was confused as well but the answer is actually correct because there are two ways to solve this.
1) (His way) to keep the polarities constant in each loop while using the previous current calculation.
2) (another way) To change the polarities according to the current flow direction and input the new difference in current by giving priority to the current that is in that certain loop.
Both ways result in the same answers.

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[@olbluelips]

In example 1, why is the current flowing through R2 the difference between I1 and I2? Is it just convention to make both loops flow in the same direction clockwise? (That is, Mesh Analysis does not work if we do not do it this way?)
I'm confused by the arrow on the current source. To me it seems to say that I2 should flow in the *opposite* direction, but perhaps I am misunderstanding

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Awesome
Thank you very much

[@kurthayes2743]

At 14:00, why does he put 8(i1 - i2) instead of 8(i2 - i1) when i2 flows through the positive of the resistor so shouldn't i2 be positive and i1 be negative?

[@shivanshutripathi460]

Beacuse he was working According loop 1...

[@Gbajumodigitals]

8(i2-i1) is correct. I guess he missed that side

[@user-eb1rg6qr2x]

I was confused as well but the answer is actually correct because there are two ways to solve this.
1) (His way) to keep the polarities constant in each loop while using the previous current calculation.
2) (another way) To change the polarities according to the current flow direction and input the new difference in current by giving priority to the current that is in that certain loop.
Both ways result in the same answers.

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[@westcountrybob2521]

You say use Vb for the voltage across the battery but on your circuit diagram Vb is designated to the node where R1, R2 and R3 connect.

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You’re going to heaven.

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LUAI

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[@thaigo972]

16:55 shouldn't V4 be 2(I3-I2)? It's a drop for I2 and a rise for I3. Why does he flip it?

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2 years later i'm still confused

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[@Tihcar_x.x]

i think in loop 2 the V2 will be 8(i2 - i1) not 8(i1 - i2) as the dominating loop is 2nd not 1st

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It still made sense tho

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