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Electromagnetic-theory Questions Set 84:

Quiz Mode

In a circular coil of radius r, the magnetic field at the center is proportional to

r²

1/r

1/r²

Solution:

Which property is highly relied upon in magnetostatics?

Resistance

Conductance

Inductance

Capacitance

Solution:

The maximum potential energy of a magnet with magnetic moment M in a magnetic field of intensity H is

4MH

2MH

3MH

Solution:

Find the magnetization of a material with a susceptibility of 8 units and a magnetic field intensity of 12 units.

1.5

Solution:

Find the divergence of the vector F = xe^(-x) i + y j - xz k

(1 - x)(1 - e)

(x - 1)(1 + e^(-x))

(1 - x)(1 + e^(-x))

(x - 1)(1 - e)

Solution:

The critical frequency f_c is the frequency at which the electromagnetic wave will be

reflected

neither reflected nor refracted

refracted

transmitted

Solution:

The electric field E and the force F exerted on a charge placed at the same point are always in the _______ direction.

perpendicular to each other

none of the above

opposite

same

Solution:

Inside a hollow conducting sphere, the electric field is:

is zero

changes with distance from the center of the sphere

changes with the magnitude of the charge given to the conductor

is a non-zero constant

Solution:

The transmission line's primary constants are:

R = 0.1 Ω/m

G = 0.01 Ω^-1/m

L = 0.01 μH/m

C = 100 pF/m

The above transmission line is connected to a load impedance of 10 + j20 Ω at 2 GHz. What is the reflection coefficient at the load end?

0.599 + j0.598

0.399 + j0.398

0.499 + j0.498

0.199 + j0.198

Solution:

The ratio of the amplitude of the magnetic field to the amplitude of the electric field for an electromagnetic wave propagating in a vacuum is equal to:

Unity

The speed of light in a vacuum

The reciprocal of the speed of light in a vacuum

The ratio of the magnetic permeability to the electric susceptibility of the vacuum

Electromagnetic-theory Questions Set 84:

In a circular coil of radius r, the magnetic field at the center is proportional to

Solution:

Which property is highly relied upon in magnetostatics?

Solution:

The maximum potential energy of a magnet with magnetic moment M in a magnetic field of intensity H is

Solution:

Find the magnetization of a material with a susceptibility of 8 units and a magnetic field intensity of 12 units.

Solution:

Find the divergence of the vector F = xe^(-x) i + y j - xz k

Solution:

The critical frequency f_c is the frequency at which the electromagnetic wave will be

Solution:

The electric field E and the force F exerted on a charge placed at the same point are always in the _______ direction.

Solution:

Inside a hollow conducting sphere, the electric field is:

Solution:

The transmission line's primary constants are:

R = 0.1 Ω/m

G = 0.01 Ω^-1/m

L = 0.01 μH/m

C = 100 pF/m

The above transmission line is connected to a load impedance of 10 + j20 Ω at 2 GHz. What is the reflection coefficient at the load end?

Solution:

The ratio of the amplitude of the magnetic field to the amplitude of the electric field for an electromagnetic wave propagating in a vacuum is equal to:

Solution:

Related Question Sets:

Related Topics:

Electromagnetic-theory Questions Set 84:

In a circular coil of radius r, the magnetic field at the center is proportional to

Solution:

Which property is highly relied upon in magnetostatics?

Solution:

The maximum potential energy of a magnet with magnetic moment M in a magnetic field of intensity H is

Solution:

Find the magnetization of a material with a susceptibility of 8 units and a magnetic field intensity of 12 units.

Solution:

Find the divergence of the vector F = xe^(-x) i + y j - xz k

Solution:

The critical frequency fc is the frequency at which the electromagnetic wave will be

Solution:

The electric field E and the force F exerted on a charge placed at the same point are always in the _______ direction.

Solution:

Inside a hollow conducting sphere, the electric field is:

Solution:

The transmission line's primary constants are: R = 0.1 Ω/m G = 0.01 Ω-1/m L = 0.01 μH/m C = 100 pF/m The above transmission line is connected to a load impedance of 10 + j20 Ω at 2 GHz. What is the reflection coefficient at the load end?

Solution:

The ratio of the amplitude of the magnetic field to the amplitude of the electric field for an electromagnetic wave propagating in a vacuum is equal to:

Solution:

Related Question Sets:

Related Topics:

The critical frequency f_c is the frequency at which the electromagnetic wave will be

The transmission line's primary constants are:

R = 0.1 Ω/m

G = 0.01 Ω^-1/m

L = 0.01 μH/m

C = 100 pF/m

The above transmission line is connected to a load impedance of 10 + j20 Ω at 2 GHz. What is the reflection coefficient at the load end?