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safe2249999 artist:foughtdragon0198 twilight sparkle368934 alicorn332081 pony1681308 g42110499 bedroom eyes86509 chocolate4724 christmas21318 cup9569 cute277293 female1889512 food106579 grin66391 hat131443 high res411996 holiday36192 hoof shoes10796 hot chocolate1743 leg fluff5959 lidded eyes52633 looking at you278528 mare793682 math999 math joke17 mug6638 one eye closed48371 pi206 qt48 santa hat8533 smiling425949 solo1491556 twiabetes16020 twilight sparkle (alicorn)154013

Comments

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JetstreamGW
Wallet After Summer Sale -

@Eroraf86
When complex numbers are used to represent AC quantities, the imaginary unit is often denoted as “j” instead of “i” to avoid confusion. This is because some authors use “i” for alternating current and “I” for direct current.
 
Yaaaay, I remembered right, even if I couldn’t remember why.
Digital Seapony
Non-Fungible Trixie -
My Little Pony - 1992 Edition

Book Horse Best Horse
@Eroraf86  
When complex numbers are used to represent AC quantities, the imaginary unit is often denoted as “j” instead of “i” to avoid confusion. This is because some authors use “i” for alternating current and “I” for direct current.
JetstreamGW
Wallet After Summer Sale -

@Digital Seapony
Ah, but who said that the formula was describing electrical currents? The letters i,q,t can stand for other quantities than current, charge, and time. Don’t be so elitist. :-P
@Eroraf86
“i” makes me think imaginary number, not electrical current :q
 
If I remember correctly what my grandfather told me (electrical engineer), it’s j when it’s used to describe current anyway.
Digital Seapony
Non-Fungible Trixie -
My Little Pony - 1992 Edition

Book Horse Best Horse
Objection! The dimension of the left-hand side is I¹ and the dimension of the right-hand side is I¹T². This means the left-hand side is in amperes and the right-hand side is in coulombs times second, assuming standard SI units. The formula is incorrect and I’m clearly not missing the point of this adorable image.