Displacement Current NEET Questions

Physics - Electromagnetic Waves

Displacement Current MCQ Questions


7.
Conduction current is due to:
A.
Time-varying electric field
B.
Time-varying magnetic flux
C.
Flow of charges (electrons) in a conductor
D.
Static electric field
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ANSWER :
C. Flow of charges (electrons) in a conductor
8.
Inside an ideal parallel plate capacitor being charged:
A.
Neither current exists
B.
Only conduction current exists
C.
Both currents exist equally
D.
Only displacement current exists
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ANSWER :
D. Only displacement current exists
9.
In a metallic conductor carrying a steady current, displacement current is:
A.
Equal to conduction current
B.
Half of conduction current
C.
Zero
D.
Greater than conduction current
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ANSWER :
C. Zero
10.
The total current that produces magnetic field is:
A.
Only displacement current
B.
Difference of conduction and displacement currents
C.
Sum of conduction current and displacement current
D.
Only conduction current
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ANSWER :
C. Sum of conduction current and displacement current
11.
If electric flux through a surface is constant with time, displacement current through it is:
A.
Infinite
B.
Zero
C.
Maximum
D.
Equal to conduction current
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ANSWER :
B. Zero
12.
Displacement current is also called:
A.
Maxwell's displacement current
B.
Ampere's current
C.
Faraday's current
D.
Hertz's current
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ANSWER :
A. Maxwell's displacement current