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If you combine circuits in parallel the voltage stays the same, and if you combine them in series then the voltage adds. So when you say combine them in parallel, you're completely wrong about the voltage doubling.
Originally posted by Studenofhistory
So if I understand you correctly, you're saying that if you combine two wires(in parallel), each of which is carrying 10 amps and 10 volts (100 watts each), the combined output will be 400 watts? Really? If that's the case, then the Earth's energy problems are solved! We just have to generate a small amount of electricty in two or more circuits, connected in parallel, and keep combining them to get this wonderful exponential gain out of nowhere!
What I think happens in the above example is that you get a combined flow of 10 amps with 20 volts = 200 watts and since the amps haven't changed, there is not effect from the formula you posted.
Not always, it depends on the resistance. The formula once again is P=I*I*R.
Originally posted by underdogradio
Studenofhistory:
What you really get with a parallel circuit is a combined flow of 20 amps with 10 volts = 200 watts.
So yes, you really can combine two 50 watt channels and get one 200 watt channel, I'm not making this up, and no it's not free energy.
the top amplifiers will actually quadruple the power of a single channel (i.e. two 50 watt channels would combine to become one 200 watt channel).
Originally posted by CrastneyJPR
another interesting fact is that if you have a magnet with a wire running vertically past it, and spin the magnet on it's axis, the magnetic field does not spin, there is no flux change and no induced current. However, if you spin the wire around the stationary magnet, there is a change in flux, and a current is induced!