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i would like to build a ac to dc current mulitplier circuit that will take lets say 5amp and take it too 20 amp this will be used on a inverter as a way to used less grid current ,can some one help me i am also new too this thing
So you want a circuit that takes produces X voltage at 20A and consumes X voltage at 5A? THat is not possible because it is producing more power than it is consuming. It is a free energy machine. For a circuit to increase current, it must decrease voltage.
Input Power = X Volts * 5A = 5X Watts
Output Power = X Volts * 20A = 20X Watts
Efficiency = Output Power / Input Power *100= 20X/5X *100 = 400% Efficiency-> Not possible.