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The maximum allowable potential difference across a 200 mH inductor is 310 V . You need...

The maximum allowable potential difference across a 200 mH inductor is 310 V . You need to raise the current through the inductor from 1.1 A to 2.9 A .

What is the minimum time you should allow for changing the current?

Express your answer to two significant figures and include the appropriate units.

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