$\"\"$

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The inductance formula is $\"\"$ .

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Solve for $\"\"$ .

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Consider $\"\"$ .

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Squaring on each side.

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$\"\"$ \ \ Multiply each side by $\"\"$ .

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$\"\"$

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$\"\"$

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Add $\"\"$ to each side.

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$\"\"$

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$\"\"$

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Take square root of each side.

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$\"\"$ . $\"\"$

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The equation for $\"\"$ .