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Find the load resistance of the circuit shown in the figure such that the maximum power is transferred to the load resistance?

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MPPGCL JE Electrical 28 April 2023 Shift 1 Official Paper
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  1. 9 Ω 
  2. 15 Ω
  3. 12 Ω
  4. 6 Ω

Answer (Detailed Solution Below)

Option 1 : 9 Ω 
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Detailed Solution

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Maximum Power Transfer Theorem

According to this theorem, maximum power is transferred to the load when the load resistance (RL) is equal to the Thevenin resistance (Rth) of the circuit as seen from the load terminals.

The power delivered to the load resistor (RL) is given by:

Calculation

From the figure, 6Ω and 12Ω are in parallel.

4Ω, 3Ω and 2Ω are in series.

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