# RZ.eqvolt-asors8.46.n for Problem 8.52. For three circuit element os for binations shown in the figure below,find Zeg given that wL = 50 mH, R = 1 kQ.com-2000 rad/s,C = 5 µF,uita)eqCL,b)ACRsoreqom-c)Probleof anyL.C.C.C.

Question
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For the three circuit elelents in the image find Zeq

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Step 1

The impedance offered by the inductor and the capacitor is given by,

And,

Step 2

Part (a)

All the elements are connected in parallel. So, the equivalent resistance can be expressed by the following expression.

NOTE:- Here, the parallel combination of L and C will offer infinite impedance, so the current will only flow through the resistor. Hence, the Thevenin impedance will be equal to the value of R.

Step 3

Part (b)

For this configuration, the resistor is in series with the parallel combination of L and C.

The given circuit will behave as an open circuit.

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