An emf of 30 mV is induced in a coil when current through it is changed at the rate of `6 A // s`. What is the self-inductance of the coil?

Explanation

To find the self-inductance of the coil, we can use the formula for induced electromotive force (emf) in terms of self-inductance:

\[ \text{emf} = -L \frac{dI}{dt} \]

Where:
- \(\text{emf}\) is the induced electromotive force,
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