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Bryson and Diego decide to work a practice problem. A resistor, inductor, and a battery are...

Bryson and Diego decide to work a practice problem.

A resistor, inductor, and a battery are arranged in a circuit. The circuit has an inductance of L = 1.6 H, and a resistance of 1.9 kΩ. Switch S1 is suddenly closed at t = 0. Find the time needed for the current to reach a fraction f = 0.9 of its maximum value.____________s

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