Question: Need help with practice problem A 15 resistor and a coil are connected in series with a 6.30 V battery with negligible internal resistance and

Need help with practice problem

A 15 resistor and a coil are connected in series with a 6.30 V battery with negligible internal resistance and a closed switch. At 2.00 ms after the switch is closed the current is 0.210 A. (a) How long after the switch is closed will the current reach 1.00 \"ii: of its final value? (b) What is the rate of change of the current 5 ms after the switch is closed

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