Question

#7

Figure 2 QUESTION 7 The time constant of an electric device is measured as 1.2 seconds and its equivalent Thevenin equivalent resistance is 2.59 ohms. Estimate the inductance of this device. Click Save and Submit to save and submit. Click Save All Answers to save all answers Save All Answers Type here to search

Answer 1

for an electronic device with equivalent inductance and resistance , the time constant of such a L-R equivalent circuit of the device is given by

$\tau =\frac{L_{eq}}{R{eq}}$

therefore, the equivalent inductance is given by

$L_{eq}=\tau R_{eq}=1.2\times2.59=3.108H$