State whether parallel combination is linear or nonlinear

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Reference no: EM131295204

Nonlinear Device Characteristics The circuit in Figure P2-91 is a parallel combination of a 75-Ω linear resistor and a varistor whose i - v characteristic is i_V = 2:6 × 10^-5v³. For a small voltage, the varistor current is quite small compared to the resistor current. For large voltages, the varistor dominates because its current increases more rapidly with voltage.

(a) Plot the i - v characteristic of the parallel combination.

(b) State whether the parallel combination is linear or nonlinear, active or passive, and bilateral or nonbilateral.

(d) Find the range of voltages over which the varistor current is at least 10 times as large as the resistor current.

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Reference no: EM131295204

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