Maximum Power is transferred to a load when load resistance is equal to internal resistance of source. I want to know How ?
If I consider a source with internal resistance 'R' ,connected with resistance 'R' and current through circuit is 'i'. Then power is P1=$ (i^2)$2R. But if this source is connected to resistance 5R i.e internal resistance not equal to external resistance then Power P2= $(i^2)$6R, which is greater than P1. Then how the given statement above is true.
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