polarity in a circuit is an arbitrary measurement because of the linear algebra. as long as you are consistent which way is positive and negative when compared to current, you get to define polarity
Hi Thank you for lectures. Your concise and methodical approach is very well appreciated At 2:51 you explained 10 & 30 ohms in parallel and then 40 ohms in series. Expecting Rth to be 20. However you write a different calculation. Best regards Jo
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polarity in a circuit is an arbitrary measurement because of the linear algebra. as long as you are consistent which way is positive and negative when compared to current, you get to define polarity
how did u determine the polarity for the 30 ohm resistor? i'm kinda confused about polarities in circuits thanks :)
what software is this?
Hi
Thank you for lectures.
Your concise and methodical approach is very well appreciated
At 2:51 you explained 10 & 30 ohms in parallel and then 40 ohms in series.
Expecting Rth to be 20. However you write a different calculation.
Best regards
Jo
shouldnt it be 30 - (-7.5) = 37.5 V ?
you said that it was the opposite direction so we can just flip the sign
+ (30) - and + (-7.5) -
EDIT: Hes using Eth = Eth´+Eth'' therefore Eth=30 + (-7.5) = 22.5V
Fantastically useful, much appreciated!
Thank you soooooo much, final tomorrow, topic feels absorbed)))
wow thanks a lot, u teach really well
so helpful i love you
Well, I feel smarter.