Posts Tagged ‘Physics’
Leaving Cert Physics notes updated
Posted by: ozymandias1 on: February 22, 2009
- In: notes
- 3 Comments
This blog has been fairly quiet recently; I have spent every spare minute updating the student notes on the website and feel very proud of my work. I don’t know if anyone else is going to notice mind, but then I guess that’s not the point. For each chapter I have included all past exam [...]
Colours from black and white? Say it ain’t so!
Posted by: ozymandias1 on: November 27, 2008
- In: Education | motors | Physics | youtube
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We had half a class the other day so we just played around with some equipment left lying about. One such piece was a cardboard disc with black circles and shapes on a white background. If you spin it quickly you get to see coloured circles! It’s mad I tell you. Only thing is, because it’s got [...]
Unusual resource for explaining Joule’s Law
Posted by: ozymandias1 on: October 23, 2008
An offshoot of Joules’ Law is that when transmitting electrical power, the current is kept as low as possible in order to reduce energy losses associated with heat of the electrical cables. Because the power being transferred is the product of the voltage and the current, we can still get the same power transferred if [...]
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