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I am very confused as to which situations call for which formula. I would greatly appreciate it if anyone could tell me the answer in relation to the orientation of the conductor within the magnetic field. So perpendicular to magnetic field, field going into/out of page, etc. For an example...

If the p-type semiconductor was connected to the positive terminal, and n-type to the negative terminal, then how can current flow from the p-type to the n-type? As I understand, the electric field across the depletion zone is from right to left (n-type to p-type). This prevents any more...

Just wanna know if there are any things like handy tips or pitfalls that one would want to know about before learning about conics.

a) A flag pole 9m high stands on top of a support. The top if the support is 16m above the eye-level of the observer. If the flagpole subtends an angle, theta, at the eye of the observer who is standing x metres away from the support: It looks like this: http://i51.tinypic.com/28lb7ly.png...

Trying to pick-up japanese as a casual pursuit. Already watching tons of anime, and thought that songs would also assist me in my pursuit. So any suggestions of good japanese songs? Any genre except for heavy rock/death metal is fine. After a certain point, screaming in Japanese to me is...

What's the purpose of reduction formulae in integration? I tried doing it and failed miserably. I was thinking that maybe I would be more proficient at it if I interpreted the concept in a different way.

Just watched 'A Beautiful Mind'. Need a couple of more ways the film has links to conflicting perspectives in it, cause i just couldn't find any. Any and all help is greatly appreciated, besides telling me to choose another text cause i suck at finding texts. Which probably explains why i'm...