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Define the term 'self-inductance' and w...

Define the term 'self-inductance' and write the S.I. unit.

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### Step-by-Step Solution: 1. **Definition of Self-Inductance**: - Self-inductance is defined as the phenomenon where an electromotive force (emf) is induced in a coil due to a change in current flowing through the same coil. This occurs because the changing current creates a changing magnetic field, which in turn induces an emf according to Faraday's law of electromagnetic induction. 2. **Mathematical Representation**: - The relationship between the magnetic flux (Φ) linked with the coil and the current (I) flowing through it can be expressed as: \[ ...
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