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This question belongs to Electrical Engineering Circuit Theorems And Conversions

Circuit Theorems and Conversions

?

An 18 V source has an internal resistance of 70 Ω. If a load resistance of 33 Ω is connected to the voltage source, the load power, PL, is

A) 0 W B) 1 W C) 175 mW D) 18 mW

Answer & Solution

Correct Answer: Option B

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Question posted by Examveda

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Afifa A 3 years ago

maximum power transfer theorem
RT=RI+RL
RT=70+33=103 ohm
IT=Vs/RT
IT=18/103=0.174A
PL=I^2*RL
PL=1.00W

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An 18 V source has an internal resistance of 70 If...

An 18 V source has an internal resistance of 70 Ω. If a load resistance of 33 Ω is connected to the voltage source, the load power, PL, is

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