At that time how much energy is stored

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A coil with resistance 0.05( and self-inductance 0.01H is connected across a 12-volt battery of negligible internal resistance. a) How long after the switch is closed will the current reach 95% of its final value ? b) At that time how much energy (in Joules) is stored in the magnetic field ? c) How much energy has been delivered by the battery up to that time ?

Reference no: EM13100656

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