Instantaneous displacement current of \(2.0\) A is set up in the space between two parallel plates of \(1~\mu \text{F}\) capacitor. The rate of change in potential difference across the capacitor is:
1. \(3\times 10^{6}~\text{V/s}\)
2. \(4\times 10^{6}~\text{V/s}\)
3. \(2\times 10^{6}~\text{V/s}\)
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 |
 88%
From NCERT
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A capacitor is having a capacity of \(2~\text{pF}\). The electric potential across the capacitor is changing with a value of \(10^{12}~\text{V/s}\). 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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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 \(q = q_{0} \sin\omega t\). Find the magnitude of displacement current through the capacitor. 
(Plate Area = \(A\), separation of plates = \(d\))
1. \(q_{0}\cos \left(\omega t \right)\)
2. \(q_{0} \omega \sin\omega t\)
3. \(q_{0} \omega \cos \omega t\)
4. \(\frac{q_{0} A \omega}{d} \cos \omega t\)

Subtopic:  Displacement Current |
 72%
From NCERT
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A larger parallel plate capacitor, whose plates have an area of \(1~\text{m}^2,\) 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. \(25~\mu\text{A}\)
2. \(11~\mu\text{A}\)
3. \(2.2~\mu\text{A}\)
4. \(1.1~\mu\text{A}\)

Subtopic:  Displacement Current |
 68%
From NCERT
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The maxwell's equation:
\(\oint \vec{B} . \vec{dl} = \mu_{0} \left(i + \varepsilon_{0} . \frac{d \left(\phi\right)_{E}}{d t}\right)\) is a statement of:
1. Faraday's law of induction
2. Modified Ampere's law
3. Gauss's law of electricity
4. Gauss's law of magnetism

Subtopic:  Maxwell's Equations |
 86%
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The figure shows a parallel plate capacitor being charged by a battery. If \(X\) and \(Y\) are two closed curves then during charging, \(\oint \vec{B} . \vec{dl}\) is zero along the curve:

        

1. \(X\) only
2. \(Y\) only
3. Both \(X\) & \(Y\)
4. Neither \(X\) nor \(Y\)
Subtopic:  Maxwell's Equations |
 50%
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If a source is transmitting an electromagnetic wave of frequency \(8.2\times 10^{6}~\text{Hz}\), then the wavelength of the electromagnetic wave transmitted from the source will be:
1. \(36.6\) m 2. \(40.5\) m
3. \(42.3\) m 4. \(50.9\) m
Subtopic:  Generation of EM Waves |
 88%
From NCERT
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Out of the following options which one can be used to produce a propagating electromagnetic wave?

1. a stationary charge.
2. a chargeless particle.
3. an accelerating charge.
4. a charge moving at constant velocity.

Subtopic:  Generation of EM Waves |
 89%
From NCERT
NEET - 2016
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