hi everyone, i am not sure if here is right place to ask but i am just wondering whether you can go to toilet during your HSC or Trial exams? is it allowed or not. can someone answer this question please.
thanks
i need to build a motor for my school and i am thinking of using electromagnet or permenant magnet. for electromagnet where i can buy iron and where can i buy powerful permenant magnet. and where should i buy coils and other equipments? would dick smith have all i need?