The current in a 200 mH coil increases from 2 to 5 A in 0.1 Second. What is rate of change of current?

The current in a 200 mH coil increases from 2 to 5 A in 0.1 Second. What is rate of change of current? A. 30 A/s B. 20 A/s C. 10 A/s D. none of these
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The current in a 200 mH coil increases from 2 to 5 A in 0.1 Second. 30 A/s is rate of change of current.

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