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 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.

The upper surface of the conductor.

Midway between the conductor and ground.

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Electromagnetic Field Theory
A rectangular waveguide is a

Tube antenna to transmit and receive electromagnetic waves

Hollow rectangular walled room carrying electromagnetic wave

Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed

Rectangular conducting wire to propagate electromagnetic waves

Tube antenna to transmit and receive electromagnetic waves

Hollow rectangular walled room carrying electromagnetic wave

Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed

Rectangular conducting wire to propagate electromagnetic waves

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Electromagnetic Field Theory
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

Transmission

Reflection

Refraction

None of these

Transmission

Reflection

Refraction

None of these

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Electromagnetic Field Theory
Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now

smaller sphere will have zero potential.

larger sphere will have greater potential.

larger sphere will have smalled potential.

both of sphere will have same potential.

smaller sphere will have zero potential.

larger sphere will have greater potential.

larger sphere will have smalled potential.

both of sphere will have same potential.

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Electromagnetic Field Theory
In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will

remain the same.

decrease.

initially increase and then decrease.

increase.

remain the same.

decrease.

initially increase and then decrease.

increase.

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Electromagnetic Field Theory
A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

QD.

QR2/d.

Q√(R2 + d2).

QR.

QD.

QR2/d.

Q√(R2 + d2).

QR.

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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 A rectangular waveguide is a

Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now

Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will

Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)

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
A rectangular waveguide is a

Electromagnetic Field Theory
When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ .

Electromagnetic Field Theory
Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now

Electromagnetic Field Theory
In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will

Electromagnetic Field Theory
A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R)