Wouldn't that mean you wouldn't have to sit the HSC? :L
You would obtain the 2nd external mark and your external mark divide by 2 to get your final mark.
Can anyone give me tips on how to differentiate between different types of probability questions? :(
So, I've been doing past paper question and have been getting a lot of prob questions wrong. It's so confusing. I don't know when to use combinations, permutation or simple tree diagrams !! x(...
If back emf is created to oppose the supply emf, why does it cause the speed of the motor to increase? :S
If it creates an opposing force on the rotating motor, shouldn't it slow down?? Or does it just decrease the net emf? Help anyone?