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The value of ZTh in the circuit shown below is?(a) Z3+(Z1Z2/(Z1+Z2))(b) Z1+(Z3Z2/(Z3+Z2))(c) Z2+(Z1Z3/(Z1+Z3))(d) (Z1Z2/(Z1+Z2))I had been asked this question in an international level competition.This interesting question is from Thevenin’s Theorem topic in section Steady State AC Analysis of Network Theory |
Answer» CORRECT OPTION is (a) Z3+(Z1Z2/(Z1+Z2)) To explain I would say: The thevenin’s equivalent form of any complex IMPEDANCE consists of an equivalent voltage SOURCE and an equivalent impedance. The thevenin’s impedance is ZTh = Z3+(Z1Z2/(Z1+Z2)). |
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