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can someone please clarify?

haha just another question :) The split ring used for DC, reverses the current in the coil, so wouldn't the current be alternating hence AC? Or does it not matter since the input current is DC?

Many thanks :)

Ahhh I see. Thanks for clarifying x

quick question: how do we know when to use just the compound interest formula vs. when to use like A1 = ___, A2 = ____ etc therefore total = A1 + A2 + A3... etc (essentially you use the sum of the GP)

I agree with asdfqwerty. Confirm with your teacher so will know if you can write it in exams :)

:rotfl::karate::santa::tongue::lol::shy:

thanks! many many thanks amigo :)

Find y" given that y = (e^2x + 1)^7 help me i end up with this really funky answer many thanks :eek::rotfl::jawdrop::fish::guitar::rolleyes2::hammer::blink2:

Lol yeah i forgot about that! THANKYOU :drink::smile::hug2::hat:

OMG. I did not see that askduo8haskdubska thanks so much x

??? :spzz:

Hey guys so the question is differentiate this: 3^x all over x I solved it using quotient rule and I got 3^x(x-1) all over x^2 but the answers 3^x(xIn3 - 1) all over x^2. How did the log come into place??? :confused::cook::pirate::shoot::cool2::angel: thx as always

So does the negative sign mean nothing more except to tell you that the oxidation potential decreases? Cos I thought potential difference was like A - B

I don't get you...

Why is there negative potential? Like on the sheet with standard potentials, why are there negatives? :hammer::drink::blink2:

Go on youtube and watch ausetute. They helped me a lot with naming :-)

oh woops sorry! thanks so much for the help HeroicPandas :sun::headbang::spzz::hug2::jump:

It's supposed to be C ://///

One test used for random breath testing in NSW involved crystals of potassium dichromate reacting with ethanol. In this reaction the orange dichromate ion, Cr2O2− 7, changes to the green chromium ion, Cr 3+. Which statement is true for this reaction? (A) Chromium has lost electrons and...