# Search results

1. ### Graphing Q

https://imgur.com/a/tLEFY the magflux graph is positive SINE what is the second graph according to this question

Anyone experienced with the experiments done with cooled supeconductors, can you explain the experiment with a little detail where they place a magnet over an already cooled superconductor? I have an explanation myself but theres alot of confliction between a couple people i know.
3. ### Are type 1 and type 2 superconductors ...

Are type 1 and type 2 superconductors specifically in our syllabus?
4. ### Someone help with this Q!

If i place a magnet over an already cooling superconductor. The magnet repels by the production of eddy currents, but what keeps it in the position?
5. ### Help with this Q!

If i gave you a magnetic flux vs time graph as a positive cosine non phase shifted function, that is its initially at a maximum. What is the induced emf graph?
6. ### Chances of Plank Einstein Debate?

Hello! Could anyone give their thoughts on the possibility of the Plank Einstein debate on science's involvement in political affairs question coming up? Its such a burden to remember, even if its just key points.. In my opinion it has no physics involvement at all
7. ### How do you do this q?

https://imgur.com/a/TZscN ^ Thank you :)
8. ### Relationships ..?

Compose a short story that shows how relationships lead to provocative discoveries. ^ Can such relationship be a relationship with land? Like for example someone who has sentimental value with a certain place, and the discovery of it being destroyed or something? Or are they just talking...
9. ### Help with this question please

I know that at maximum speed the back emf that a motor has is approximately equal to the supply emf, (which ultimately causes its speed to cap). But im confused with the words "it draws a current of 4A". Its probably not a complicated issue at all, just a little confused, any help would be...
10. ### 2017 Trials anyone?

Anyone got any of their schools 2017 ext1 maths trials? (Not cssa or anything like that)