Displacement Current

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Displacement Current: Overview

This topic covers concepts, such as Electric Current, Conventional Current, Ampere Circuital Law and its Contradiction, Displacement Current, Consequences of Displacement Current, Ampere-Maxwell Law, and Maxwell's Equations.

Important Questions on Displacement Current

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Which of these is a correct definition of conventional current?

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Displacement current is continuous:

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Ampere's circuital law is given by:

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The charge of a parallel plate capacitor is varying as q=q0sin(2πft). The plates are very large and close together (area=A, separation=d). Neglecting the edge effects, the displacement current through the capacitor is

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Instantaneous displacement current of 1.0 A in the space between the parallel plate of 1 μF capacitor can be established by changing potential difference at a rate of

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The net magnetic flux of a magnetic field passing through a closed surface is

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The net magnetic flux of a magnetic field passing through a closed surface is

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A magnetic field can be produced by

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Calculate the displacement current through a symmetrically drawn area A4 between the plates of a parallel plate capacitor of area A and plate separation d. It is given that the capacitor is charged by a constant current i.

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Find the displacement current through the plates of a parallel plate capacitor if it is known that the charge on the plates vary as q=q0sin2πnt. Assume that the plates are very large and close together and neglect the edge effects.

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In order to establish an instantaneous displacement current of 1 mA in the space between the plates of 2 μF parallel plate capacitor, the rate of change of potential difference is

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Displacement current goes through the gap between the plates of a capacitor when the charge on the capacitor

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Maxwell's equation describes the fundamental laws of

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The displacement current is

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Displacement current is

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In electromagnetic wave, according to Maxwell, changing electric field gives

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Assertion: A changing electric field produces a magnetic field.

Reason: A changing magnetic field produces an electric field.

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According to Maxwell's hypothesis, a changing electric field gives rise to,

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A parallel plate capacitor is charged to 60 μC. Due to a radioactive source, the plate loses charge at the rate of 1.8×10-8 C s-1. The magnitude of displacement current is

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Maxwell in his famous equation of electromagnetism introduced the concept