Does the thickness of the disc even affect the rate of change of flux? Aren't the magnets cutting the same surface area on both discs? Sorry, I don't really understand haha
I quoted a property of Pascal's Triangle in my exam: The sum of the coefficients in the nth row is always 2^n. I did this without proving it.
The proof was extremely easy (only a 2 mark question) even without the use of this property, not sure why I did it this way.
Would you take off a...