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. $3×{10}^{6}$ $V/s$

2. $4×{10}^{6}$ $V/s$

3. $2×{10}^{6}$ $V/s$

4. None of these

Subtopic:  Displacement Current |
87%
From NCERT
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The S.I. unit of displacement current is:
1. Henry
2. Coulomb
3. Ampere

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%
From NCERT
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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%
From NCERT
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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%
From NCERT
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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.

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

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

Subtopic:  Displacement Current |
72%
From NCERT
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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%
From NCERT
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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 $$5\times10^{13}~\text{V/s}$$, 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%
From NCERT
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