Displacement Current NEET Questions

Physics - Electromagnetic Waves

Displacement Current MCQ Questions


1.
Displacement current was introduced by:
A.
James Clerk Maxwell
B.
André-Marie Ampère
C.
Michael Faraday
D.
Heinrich Hertz
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ANSWER :
A. James Clerk Maxwell
2.
The concept of displacement current was introduced to:
A.
Define electric charge
B.
Remove the inconsistency in Ampere's circuital law
C.
Explain Faraday's law
D.
Explain Coulomb's law
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ANSWER :
B. Remove the inconsistency in Ampere's circuital law
3.
Displacement current arises due to:
A.
Time-varying magnetic field
B.
Steady electric field
C.
Flow of electrons through a conductor
D.
Time-varying electric field
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ANSWER :
D. Time-varying electric field
4.
The mathematical expression for displacement current is:
A.
id = ε₀ (dΦB/dt)
B.
id = μ₀ (dΦB/dt)
C.
id = ε₀ (dΦE/dt)
D.
id = μ₀ε₀ (dΦE/dt)
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ANSWER :
C. id = ε₀ (dΦE/dt)
5.
The SI unit of displacement current is:
A.
Weber (Wb)
B.
Volt (V)
C.
Tesla (T)
D.
Ampere (A)
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ANSWER :
D. Ampere (A)
6.
The dimensional formula of displacement current is:
A.
[V·m]
B.
[A/s]
C.
[A·s]
D.
[A]
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ANSWER :
D. [A]