Jobs By Abekus

Electromagnetic-theory Questions Set 22:

Quiz Mode

In a circular waveguide, the dominant mode is

TE01

TE11

TE20

TE21

Solution:

Find the ratio of the refractive index of medium 1 to medium 2 when the Brewster angle is 50°.

0.839

1.192

0.526

1.333

Solution:

If we move a charge once around an equipotential path, the work done by the charge is

Infinity

Negative

Positive

Zero

Solution:

Which of the following is not correct?

P · (Q · R) = scalar value

P · (Q × R) = scalar value

P × (Q · R) = scalar value

P × (Q × R) = vector value

Solution:

Find the electric field intensity when the velocity of the field is 18 m/s and the magnetic flux density is 8.76 units.

157.76

189.65

256.56

120.09

Solution:

A wave travelling through two media have intrinsic impedances of 8.4 and 3.2 respectively. Calculate the transmission coefficient.

0.27

0.448

0.55

2.23

Solution:

Sparking at the commutator of a D.C. motor may result in

(a) damage to commutator segments

(b) damage to commutator insulation

(d) all of the above

Solution:

When a dielectric material is introduced between the plates of a charged capacitor, the electric field between the plates:

Decreases

Remains constant

Increases

First decreases then increases

Solution:

A long solenoid has 200 turns per cm and carries a current I. The magnetic field at its center is 6.28×10-² Wb/m². Another long solenoid has 100 turns per cm and it carries a current I/3. The value of the magnetic field at its center is

1.05 × 10-³ Wb/m²

1.05 × 10-⁴ Wb/m²

1.05 × 10-² Wb/m²

1.05 × 10-⁵ Wb/m²

Solution:

Assertion: Large number of channels can be allocated in the microwave frequency range.
Reason: This is due to the increased bandwidth available in the microwave frequency range.

Both the assertion and the reason are true, and the reason is the correct explanation of the assertion.

Both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.

The assertion is true, but the reason is false.

The assertion is false, but the reason is true.

Electromagnetic-theory Questions Set 22:

In a circular waveguide, the dominant mode is

Solution:

Find the ratio of the refractive index of medium 1 to medium 2 when the Brewster angle is 50°.

Solution:

If we move a charge once around an equipotential path, the work done by the charge is

Solution:

Which of the following is not correct?

Solution:

Find the electric field intensity when the velocity of the field is 18 m/s and the magnetic flux density is 8.76 units.

Solution:

A wave travelling through two media have intrinsic impedances of 8.4 and 3.2 respectively. Calculate the transmission coefficient.

Solution:

Sparking at the commutator of a D.C. motor may result in

Solution:

When a dielectric material is introduced between the plates of a charged capacitor, the electric field between the plates:

Solution:

A long solenoid has 200 turns per cm and carries a current I. The magnetic field at its center is 6.28×10-² Wb/m². Another long solenoid has 100 turns per cm and it carries a current I/3. The value of the magnetic field at its center is

Solution:

Assertion: Large number of channels can be allocated in the microwave frequency range.
Reason: This is due to the increased bandwidth available in the microwave frequency range.

Solution:

Related Question Sets:

Related Topics:

Electromagnetic-theory Questions Set 22:

In a circular waveguide, the dominant mode is

Solution:

Find the ratio of the refractive index of medium 1 to medium 2 when the Brewster angle is 50°.

Solution:

If we move a charge once around an equipotential path, the work done by the charge is

Solution:

Which of the following is not correct?

Solution:

Find the electric field intensity when the velocity of the field is 18 m/s and the magnetic flux density is 8.76 units.

Solution:

A wave travelling through two media have intrinsic impedances of 8.4 and 3.2 respectively. Calculate the transmission coefficient.

Solution:

Sparking at the commutator of a D.C. motor may result in

Solution:

When a dielectric material is introduced between the plates of a charged capacitor, the electric field between the plates:

Solution:

A long solenoid has 200 turns per cm and carries a current I. The magnetic field at its center is 6.28×10-² Wb/m². Another long solenoid has 100 turns per cm and it carries a current I/3. The value of the magnetic field at its center is

Solution:

Assertion: Large number of channels can be allocated in the microwave frequency range.Reason: This is due to the increased bandwidth available in the microwave frequency range.

Solution:

Related Question Sets:

Related Topics:

Assertion: Large number of channels can be allocated in the microwave frequency range.
Reason: This is due to the increased bandwidth available in the microwave frequency range.