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horse
horse asked in Science & MathematicsEngineering · 8 years ago

Solve for Thevenin equiv. Circuit?

Find the thevenin equivalent circuit for this circuit:

___________(R=3.9 kohms)_________(R=2.7 kohms)______A

I...............................................I

I...............................................I

(10 V)...................................... (R = 4kohm)

I...............................................I

I...............................................I

I________(R=3.3 kohms)______ I____________(R=2.7 kohm)______B

Update:

there is a wire going from bottom wire through the 4kohm resistor to the top wire

2 Answers

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  • Roger
    Lv 7
    8 years ago
    Favorite Answer

    The Thevenin resistance is found by removing the voltage source and replacing it with a short

    R thevenin = 2.7 kΩ + 2.7 kΩ + 4 kΩ || (3.9 kΩ + 3.3 kΩ) = 5.4 kΩ + (4 kΩ)(7.2 kΩ)/( 11.2 kΩ)

    R thevenin = 7.97 kΩ

    V thevenin = 10(4 kΩ/(11.2 kΩ) = 3.60 Volts

    so the equivalent circuit is a 3.60 volt source with a 7.97 kΩ resistor in series

  • D. G
    8 years ago

    How about some more help here wiith more current and voltage values !

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