Find the mathematical expression for the voltage

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Reference no: EM131206305

Referring to the solution to given example, determine the time when the current i_L drops to 2 mA.

EXAMPLE

The inductor of given figure has an initial current level of 4 mA in the direction shown. (Specific methods to establish the initial current will be presented in the sections and problems to follow.)

a. Find the mathematical expression for the current through the coil once the switch is closed.

b. Find the mathematical expression for the voltage across the coil during the same transient period.

c. Sketch the waveform for each from initial value to final value.

Reference no: EM131206305

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