Question
Download Solution PDFDetermine the load resistance RL that will result in maximum power delivered to the load for the given circuit. Also, determine the maximum power Pmax delivered to the load resistor.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Maximum power transfer for DC circuit:
According to the MPT the maximum power transfer to the load when the load resistance is equal to the source resistance or Thevenin resistance.
RL = Rth
RL = load resistance
Rth = Thevenin or source resistance
The power at maximum power transfer (Pmax) = Vth2 / 4Rth
The maximum power transfer theorem is used in electrical circuits.
Calculation:
Rth = RL
= ( 30 × 150 ) / 180
= 25 Ω
Vth = Vab
= ( 150 × 180 ) / (150 + 30 )
= 150 V
From above concept,
Pmax = 225 W
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