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Instantaneous displacement current of 2.0 A is set up in the space between two parallel plates of \(1~\mu F\)$$ capacitor. The rate of change in potential difference across the capacitor is:

1. $3\times {10}^{6}$ $V/s$

2. $4\times {10}^{6}$ $V/s$

3. $2\times {10}^{6}$ $V/s$

4. None of these

Subtopic: Displacement Current |

87%

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The S.I. unit of displacement current is:

1. Henry

2. Coulomb

3. Ampere

4. Farad

Subtopic: Displacement Current |

87%

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A capacitor is having a capacity of 2 pF. The electric potential across the capacitor is changing with a value of \(10^{12}~\mathrm{V/s}\). The displacement current is:

1. | 2 A | 2. | 3 A |

3. | 6 A | 4. | 9 A |

Subtopic: Displacement Current |

89%

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In an electric circuit, there is a capacitor of reactance 100 $\mathrm{\Omega}$ connected across the source of 220 V. The rms value of displacement current will be:

1. 2.2 A

2. 0.22 A

3. 4.2 A

4. 2.4 A

Subtopic: Displacement Current |

87%

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A capacitor is made of two circular plates each of radius \(12~\text{cm}\) and separated by \(5.0~\text{cm}\). The capacitor is being charged by an external source. The charging current is constant and equal to \(0.15~\text{A}\). The displacement current across the plates is:

1. \(0\)

2. \(0.14~\text{A}\)

3. \(0.16~\text{A}\)

4. \(0.15~\text{A}\)

Subtopic: Displacement Current |

71%

From NCERT

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A variable frequency AC source is connected to a capacitor. Then on increasing the frequency:

1. | Both conduction current and displacement current will increase |

2. | Both conduction current and displacement current will decrease |

3. | Conduction current will increase and displacement current will decrease |

4. | Conduction current will decrease and displacement current will increase |

Subtopic: Displacement Current |

73%

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The charge of a parallel plate capacitor is varying as $q={q}_{0}\mathrm{sin}\omega t$. Find the magnitude of displacement current through the capacitor.

(Plate Area = A, separation of plates = d)

1. ${q}_{0}\mathrm{cos}\left(\omega t\right)$

2. ${q}_{0}\omega \mathrm{sin}\omega t$

3. ${q}_{0}\omega \mathrm{cos}\omega t$

4. $\frac{{q}_{0}A\omega}{d}\mathrm{cos}\omega t$

Subtopic: Displacement Current |

72%

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A parallel plate capacitor with plate area \(A\) and separation between the plates \(d\), is charged by a source having current \(i\) at some instant. Consider a plane surface of area \(A/2\) parallel to the plates and drawn symmetrically between the plates. The displacement current through this area is:

1. \(i\)

2. \(i/2\)

3. \(i/4\)

4. \(i/8\)

Subtopic: Displacement Current |

73%

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A larger parallel plate capacitor, whose plates have an area of 1 ${m}^{2}$, separated from each other by 1 mm, is being charged at a rate of 25.8 V/s. If the plates have dielectric constant 10, then the displacement current at this instant is:

1. 25 $\mu A$

2. 11 $\mu A$

3. 2.2 $\mu A$

4. 1.1 $\mu A$

Subtopic: Displacement Current |

68%

From NCERT

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A parallel plate capacitor consists of two circular plates each of radius \(2~\text{cm}\), separated by a distance of \(0.1~\text{mm}\). If the voltage across the plates is varying at the rate of $\mathrm{}$\(5\times10^{13}~\text{V/s}\), then the value of displacement current is:

1. \(5.50~\text{A}\)

2. \(5.56\times 10^{2}~\text{A}\)

3. \(5.56\times 10^{3}~\text{A}\)

4. \(2.28\times 10^{4}~\text{A}\)

Subtopic: Displacement Current |

64%

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