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Write the expression for the generalised...

Write the expression for the generalised form of Ampere.s circuital law. Discuss its significance and describe briefly how the concept of displacement current is explained through charging/discharging of a capacitor in an electric circuit.

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According to the generalised form of Ampere.s circuital law the line integeral of magnetic field for a closed path is equal to Ho times the sum of conduction current and displacement current within that loop. Mathematically,
`ointvecB.vecdl=mu_(0)(I+I_(d))`
where I = conduction current and `l_(d) =` displacement current.
To explain the significance of the generalised law, by considering charging/discharging of a parallel plate capacitor and for introduction of the concept of displacement current
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