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Dimensional formula of self inductance is

1. [ML²A⁻²]
2. [ML²T⁻²A⁻²]
3. [ML²T⁻²A⁻²]
4. [ML²T⁻²A⁻¹]

Correct answer: [ML²T⁻²A⁻²]

Solution

The dimensional formula of self-inductance is derived from its definition, L = Φ/I, where Φ is magnetic flux (ML²T⁻²A⁻¹) and I is current (A). Dividing gives [ML²T⁻²A⁻²].

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