Question

Asked Mar 6, 2020

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For the three circuit elelents in the image find Zeq

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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