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Electromagnetic Field Theory
A point charge in space is attracted towards a dielectric material because of the
all of above.
phenomenon of dielectric polarisation.
maximisation of electrostatic flux.
dielectric hysteresis.
all of above.
phenomenon of dielectric polarisation.
maximisation of electrostatic flux.
dielectric hysteresis.
Answer
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Related Question
Electromagnetic Field Theory
In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be
100 mH.
150 mH.
50 mH.
200 mH.
100 mH.
150 mH.
50 mH.
200 mH.
Answer
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Electromagnetic Field Theory
A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at
The ground surface.
Midway between the conductor and ground.
The upper surface of the conductor.
The lower surface of the conductor.
The ground surface.
Midway between the conductor and ground.
The upper surface of the conductor.
The lower surface of the conductor.
Answer
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Electromagnetic Field Theory
The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing?
5 mH.
0 mH.
20 mH.
10 mH.
5 mH.
0 mH.
20 mH.
10 mH.
Answer
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Electromagnetic Field Theory
A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation
– z direction.
– y direction.
y direction.
z direction.
– z direction.
– y direction.
y direction.
z direction.
Answer
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Electromagnetic Field Theory
A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position
5 × 10-5 uy N.
5 × 10-5 uz N.
5 × 10-5 ux N.
- 5 × 10-5 uy N.
5 × 10-5 uy N.
5 × 10-5 uz N.
5 × 10-5 ux N.
- 5 × 10-5 uy N.
Answer
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