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A constant voltage of 11.00 V has been observed over a certain time interval across a...

A constant voltage of 11.00 V has been observed over a certain time interval across a 2.20 H inductor. The current through the inductor, measured as 3.00 A at the beginning of the time interval, was observed to increase at a constant rate to a value of 7.00 A at the end of the time interval. How long was this time interval?

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