Find out control voltage, Electrical Engineering

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Consider the network shown in Figure containing a voltage-controlled source producing the controlled current ic = gv, where g is a constant with units of conductance, and the control voltage happens to be the terminal voltage in this case.

(a) Obtain an expression for Req = v/i.

(b) For (i) gR = 1 / 2, (ii) gR = 1, and (iii) gR = 2, find Req and interpret what it means in each case.

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