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

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 upper surface of the conductor.

Midway between the conductor and ground.

The lower surface of the conductor.

The ground surface.

The upper surface of the conductor.

Midway between the conductor and ground.

The lower surface of the conductor.

The ground surface.

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Electromagnetic Field Theory
Which of the following statement regarding waveguides is incorrect?

At frequencies below the cut off value the wave progresses across the waveguide after total reflections

Waveguides can handle large power at UHF and microwaves

At waveguide can be coupled to a coaxial cable

Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves

At frequencies below the cut off value the wave progresses across the waveguide after total reflections

Waveguides can handle large power at UHF and microwaves

At waveguide can be coupled to a coaxial cable

Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves

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Electromagnetic Field Theory
Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,

V / D

V × D

V × D²

V² / D

V / D

V × D

V × D²

V² / D

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Electromagnetic Field Theory
Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is

450.

600.

150.

300.

450.

600.

150.

300.

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Electromagnetic Field Theory
The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is

3.2 H.

32 mH.

3.2 mH.

3.2 µH.

3.2 H.

32 mH.

3.2 mH.

3.2 µH.

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Electromagnetic Field Theory
The heating time constant of an electrical machine gives an indication of its

cooling.

rating.

overload capacity.

short time rating.

cooling.

rating.

overload capacity.

short time rating.

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Electromagnetic Field Theory

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

Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect?

Electromagnetic Field Theory Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,

Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is

Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is

Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its

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

Electromagnetic Field Theory
Which of the following statement regarding waveguides is incorrect?

Electromagnetic Field Theory
Two parallel plates are separated by a distance D charged by V volt. The field intensity E is given by,

Electromagnetic Field Theory
Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is

Electromagnetic Field Theory
The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is

Electromagnetic Field Theory
The heating time constant of an electrical machine gives an indication of its