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P-type conductors - doped to have more holes N-type conductors - doped to have more electrons At the depletion zone electrons from the N-type flow over to fill the holes in the P-type. P-type thus becomes negatively charged at the depletion zone. N-type thus becomes positively charged at...

The fact that the noun (Nomen) is written in Akkusativ case when we use active speech and Subjektiv case when we use possive shows that the noun becomes the subject in Passive and is the object in active. People say "den Jungen" because that is the way it is defined. There are wacky rules like...

P-type conductors, when neutral, have an excess of holes (due to the doping) which means when they are connected with an n-type inductor they become negatively charged at the junction because electrons drift on over to fill the holes. The N-type conductor, likewise, when neutral has an excess...

The only place on Earthg the sun woulkd go directly overhead and go down perpendicular to the horizon would be if you lived on the Tropic of Cancer or Capricorn and only when that actual part of the Earth was pointing straight at the Sun (I'm thinking Summer Solstice in the two various parts of...

Passive voice is this: The boy was bitten by the dog. It can also be said: The boy was bitten. The boy is the subject of the sentence. The active sentence is: The dog bit the boy. "The dog" is the doer and now the subject of the sentence and "the boy" is the object. So, yes, turning...

One thing to do and get the formula sheet. Make sure you know exactly what every formula is for and what every valuable in every formula means. Do a concept map/mind map of the topics and relate them back to your dot points. Make sure you then make simple, cut down notes of the dot points...

Can I just add my two cents? Doing Physics without maths will be difficult. There is quite a component of maths, but not as much as there was. You do get the formulae on a sheet and have to be able to use them. However, if you are thinking of doing Physics at Uni and going with it, then...

Actually, the radiation pracs - have to guard against radiation contamination AND the cathode ray tube pracs - those power supply thingies, they emit X-Rays. Look here for the ultimate explanation on Accuracy, Reliability and Validity: http://webs.mn.catholic.edu.au/physics/emery/accuracy.htm

Because solids are being broken into their associated ions and attaching to the water molecules. The higher the temperature the more energetic the collisions and more likely to dissociate ions. (I think - it's been a while.) Le Chatelier's Principle syaye that the shift in equilibrium will be...

Wow, summarising a text book! OK. 1. Get your syllabus dot points sorted 2. Write the chapter headings that are relevant for that dot point and then the sub headings. 3. Do a mind map of the headings and sub-headings and try to get a good overall picture of the subject and the links. You may...

Using a sewing machine is just practice. Get some scrap material at home and draw some lines with pencil. Then practice sewing over them. Practice pinning some material together, then tack alonbg the line you want to sew and then sew it (just 1mm or so inside the tacking so it is easier to get...

I have seen many graphs that have different labels on the Y-axis: - radiance - energy radiated - intensity but all the graphs have the same basic shape. Wikipedia's graph is in intensity.

Hi mos3s, All Germans think that their language is really hard because of the three genders with "the" and other such Grammar stuff. However, I was a very average German student and I really enjoyed it and did not find it hard. The hard bit for me was learning vocab - still is. But German is a...

Actually, currents in the same direction cause attraction. It is currents in the opposite direction that cause repulsion. This is opposite from magnet NOrth and South. You can think of it this way. Conside a current carrying wire in the magnetic field of another wire. Let's assume the current...

Ah, Gantt charts! I <3 Gantt charts. They are so very useful. They enable you to list the tasks that you need to do. You then order then according to what needs to be done first etc. Then you allocate time to each task. The allocation of time can overlap. Some tasks may be independent of each...

Well, I do but it is in Excel and I can't attach that here, unfortunately. But I could email it to you. HEE HEE I am such a geek. I put all my vocab onto computer when doing it at Uni. There is quite a lot and a lot of it is quite sophisticated German. We were studying for the Zentrale...

Hi Tanjin, Im not Ext 2 but thought I would reply anyway. Can I suggest a few things? 1. Take this weekend to just chill out anmd allow yourself to sleep and recuperate. Put everything aside for the moment, you are no good to anyone, let alone yourself, if you are tired and stressed. 2. Then...

Re: help for Christianity: Paul of TarSus BTW Paul of Tarsus. Acts is the story of what he did and where he went. You can see by that how many churches he planted and supported. Then his letters show you how much he supported them and how much they supported him in his work. They show how he...

Ah grammar, my favourite area of German (and that's not being sarcastic). The way to learn it is to summarise it down to the bare necessities and then see if you can see patterns. Remember those. I made myself a one page summary sheet of all the grammar I came across and then looked at...

Granted, that equation is not on the formula sheet BUT these are: F=BIlsinθ --- 1 F/l = kI1I2/r --- 2 Take equation 1 and rewrite (and assume it is, say wire 2): F/l = BI2sinθ --- 3 Equate 3 and 2 and we are only interested in the 90deg angle bit because the current and magnetic field...