hi... i have a thought in advance, that i can charge my cell phone through solar energy itself . actually I am doing my activities regarding that... giva me some suggestions which is helpful for me.. and i want to know why this is still not in market..my project is reasonable or not ?...
connect all your LED in series . and ech LED should have each resistors.ie:- connect the resistors across LED depending on the range ..Quite a few of the answers were along the lines of "Wire each one with a resistor, you'll get better results." I've read claims that without a resistor, voltage...
hi...
i would like to know the fact of UPS(uninterruptible power supply) that why sometimes UPS has some problem to satisfy the load and how to recover the problem...
energy coonversion is taking place in dc machines by the action of lenz law.current passes thru the coil which felts under magnetic field and turns to induction principle.ie: curren carrying conductor in a magnetic field effects a force which inturns into a torque.