A 72-MH Inductor Is Connected to a Current

question 25

Multiple Choice

A 7.2-mH inductor is connected to a current.What is the magnitude of the voltage in the inductor at time t = 3.0 s if the current is I(t) = 5 + 7t -2t²? (Assume two significant digits for each number.)

• A)22 mV
• B)36 mV
• C)58 mV
• D)90 mV
• E)230 mV

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