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Electromagnetic-theory Questions Set 59:

Quiz Mode

D.C. shunt motors are commonly used for driving which of the following?

Trains

Cranes

Hoists

Machine tools

Solution:

The directivity of an antenna with HPBW angles of 47.016° in the E-plane and 62.87° in the H-plane

13.956

14.98

12.32

Solution:

Which of the following types of radiation will be deflected in an electric field?

X-rays

Gamma rays

Cathode rays

Ultraviolet rays

Solution:

The dipole moment of a dipole is 0.8 with equal charges of magnitude _______ separated by a distance of 5 cm.

0.16 C

16 C

4 C

0.04 C

Solution:

Find the associated electric field intensity using the following data:

Potential, V = 5 e^-7x Volts and ε_r = 3

-5 e^(-7x)

-35 e^(-7x)

5 e^(-7x)

35 e^(-7x)

Solution:

The directivity of a Hertzian dipole is 1.5. Comment on this statement.

The statement is true

The statement is untrue

The statement is partially true

The statement is incomplete

Solution:

The reflection coefficient of a transmission line is 0.25 and the input power is given as 45 units. Calculate the power reflected in the transmission line.

11.25 units

2.8125 units

5.625 units

7.955 units

Solution:

What is the relative permittivity (ε_r) of the dielectric material present in a parallel plate capacitor if the area S = 0.12 m², thickness d = 80 μm, voltage V = 12 V, and the capacitor contains 1 μJ of energy?

1.0455

10.45

9.865

0.9865

Solution:

The statement "If the vector field is divergence-free, the vector potential may be defined which completely describes the vector field." is:

The statement is completely true

The statement is partially true

The statement is completely untrue

The statement is incomplete

Solution:

Choose the option that accurately comments on the given statement:

"At the interface between two magnetic media, tangential components of the magnetic field intensity are continuous, if and only if the interface has zero surface current density."

The statement is true

The statement is false

The statement is partially true

The statement is incomplete

Electromagnetic-theory Questions Set 59:

D.C. shunt motors are commonly used for driving which of the following?

Solution:

The directivity of an antenna with HPBW angles of 47.016° in the E-plane and 62.87° in the H-plane

Solution:

Which of the following types of radiation will be deflected in an electric field?

Solution:

The dipole moment of a dipole is 0.8 with equal charges of magnitude _______ separated by a distance of 5 cm.

Solution:

Find the associated electric field intensity using the following data:

Potential, V = 5 e^-7x Volts and ε_r = 3

Solution:

The directivity of a Hertzian dipole is 1.5. Comment on this statement.

Solution:

The reflection coefficient of a transmission line is 0.25 and the input power is given as 45 units. Calculate the power reflected in the transmission line.

Solution:

What is the relative permittivity (ε_r) of the dielectric material present in a parallel plate capacitor if the area S = 0.12 m², thickness d = 80 μm, voltage V = 12 V, and the capacitor contains 1 μJ of energy?

Solution:

The statement "If the vector field is divergence-free, the vector potential may be defined which completely describes the vector field." is:

Solution:

Choose the option that accurately comments on the given statement:

"At the interface between two magnetic media, tangential components of the magnetic field intensity are continuous, if and only if the interface has zero surface current density."

Solution:

Related Question Sets:

Related Topics:

Electromagnetic-theory Questions Set 59:

D.C. shunt motors are commonly used for driving which of the following?

Solution:

The directivity of an antenna with HPBW angles of 47.016° in the E-plane and 62.87° in the H-plane

Solution:

Which of the following types of radiation will be deflected in an electric field?

Solution:

The dipole moment of a dipole is 0.8 with equal charges of magnitude _______ separated by a distance of 5 cm.

Solution:

Find the associated electric field intensity using the following data: Potential, V = 5 e-7x Volts and εr = 3

Solution:

The directivity of a Hertzian dipole is 1.5. Comment on this statement.

Solution:

The reflection coefficient of a transmission line is 0.25 and the input power is given as 45 units. Calculate the power reflected in the transmission line.

Solution:

What is the relative permittivity (εr) of the dielectric material present in a parallel plate capacitor if the area S = 0.12 m2, thickness d = 80 μm, voltage V = 12 V, and the capacitor contains 1 μJ of energy?

Solution:

The statement "If the vector field is divergence-free, the vector potential may be defined which completely describes the vector field." is:

Solution:

Choose the option that accurately comments on the given statement: "At the interface between two magnetic media, tangential components of the magnetic field intensity are continuous, if and only if the interface has zero surface current density."

Solution:

Related Question Sets:

Related Topics:

Find the associated electric field intensity using the following data:

Potential, V = 5 e^-7x Volts and ε_r = 3

What is the relative permittivity (ε_r) of the dielectric material present in a parallel plate capacitor if the area S = 0.12 m², thickness d = 80 μm, voltage V = 12 V, and the capacitor contains 1 μJ of energy?

Choose the option that accurately comments on the given statement:

"At the interface between two magnetic media, tangential components of the magnetic field intensity are continuous, if and only if the interface has zero surface current density."