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In the circuit given below, the value of the maximum power transferred through RL is ___________(a) 0.75 W(b) 1.5 W(c) 2.25 W(d) 1.125 WI have been asked this question in examination.I would like to ask this question from Advanced Problems on Millman’s Theorem and Maximum Power Transfer Theorem topic in chapter Useful Theorems in Circuit Analysis of Network Theory

Answer»

Right ANSWER is (a) 0.75 W

The EXPLANATION: I + 0.9 = 10 I

Or, I = 0.1 A

VOC = 3 × 10 I = 30 I

Or, VOC = 3 V

Now, ISC = 10 I = 1 A

Rth = 3/1 = 3 Ω

Vth = VOC = 3 V

RL = 3 Ω

Pmax = \(\FRAC{3^2}{4×3}\) = 0.75 W.


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