The source of displacement current is . . . | vedclass

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(A) The correct answer is $A$. Displacement current $(i_{d})$ is defined as the current that arises due to a time-varying electric field. The mathemat

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Changing Electric field

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(A) The correct answer is $A$. Displacement current $(i_{d})$ is defined as the current that arises due to a time-varying electric field. The mathematical expression for displacement current is given by: $i_{d} = \varepsilon_{0} \frac{d}{dt}(\phi_{E})$ where $\phi_{E}$ is the electric flux. Since $\phi_{E} = E \cdot A$,for a constant area $A$,the expression becomes: $i_{d} = \varepsilon_{0} A \frac{dE}{dt}$ Thus,a changing electric field is the source of displacement current.

The source of displacement current is . . . . . . .

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