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Question 1.P.52: Maximum power delivered to R in Ω by a 20 V DC source with 5......

Maximum power delivered to R in Ω by a 20 V DC source with 5 Ω internal resistance is

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We have

R=5  \Omega, I=\frac{20}{10}=2  A

So, the power delivered to R is

P_{ L }=I^2 R=4 \times 5=20  W

 

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