A 30.0-mH inductor and 9.00-Q resistor, together with a switch, are connected in series to an ideal battery, forming a closed circuit when the switch is turned on. At time t = 0, the switch is turned on; the initial current is zero. What is the time it takes for the current in the circuit to reach 80.0% of its maximum value?
A 30.0-mH inductor and 9.00-Q resistor, together with a switch, are connected in series to an ideal battery, forming a closed circuit when the switch is turned on. At time t = 0, the switch is turned on; the initial current is zero. What is the time it takes for the current in the circuit to reach 80.0% of its maximum value?
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Transcribed Image Text:A 30.0-mH inductor and 9.00-Q resistor,
together with a switch, are
connected in series to an ideal battery,
forming a closed circuit when the switch is
turned on. At time t = 0, the switch is turned
on; the initial current is zero. What is the
time it takes for the current in the circuit to
reach 80.0% of its maximum value?
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