Find the characteristic time for this circuit. Problem 23.55 Express your answer

Question

Find the characteristic time for this circuit. Problem 23.55 Express your answer using two significant figures. The circuit shown in the figure (Figure 1) consists of a 6.1- V battery, a 36-mH inductor, and four 56-2 resistors. ms Submit My Answers Give Up Part B What is the curent supplied by this battery two characteristic time intervals after closing the switch? Express your answer using two significant figures. Figure 1 of 1 Submit My Answers Give Up Part C What is the crent supplied by this battery a long time after the switch is closed? Express your answer using two significant figures. mA

Explanation / Answer

PART A) equivalent Resistance= 112*56/(112+56) +56

= 93.33 ohm

time constant T =R/L= 36/93.33 = 0.3857 ms

in two significant figure T = 0.39 s Answer

PARTb)

current I = V/R (1-e^[-t/T])

I = 6.1/93.33 (1- e^-2)

= 0.056 A

= 56 mA Answer

PART c) i = V/R = 6.1/93.33

= 0.065 A

= 65 mA Answer

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