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Network Elements and the Concept of Circuit

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Network Theory

Network Elements and the Concept of Circuit
Network theory miscellaneous
  1. For the circuit shown below. Calculate the value of load impedance when the load is pure resistive, under maximum power transfer condition—


    1. (60 – j80)Ω
    2. (60 + j80)Ω
    3. 100Ω
    4. None of these
Correct Option: C


Under maximum power transfer condition, when load is pure resistive the load impedance is given by
RL = √R² + (XL or XC)²
Here, R = 60Ω
XC = 80Ω
Now, RL = √60² + 80²
or RL = 100Ω


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