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Electromagnetic-theory Questions Set 62:

Quiz Mode

Which wavelength of the sun's radiation is used to generate electric energy?

Radio waves

Infrared waves

Visible light

Microwaves

Solution:

What is the direction of the force between two charges, 2C and -5C, in air?

Away from -5C

From 2C to -5C

Away from 2C

From -5C to 2C

Solution:

The electrostatic force between two charges of 1 coulomb each and placed at a distance of 0.5 m will be ____________ x 10⁶N

360

3600

36000

Solution:

A wave travelling through two media have intrinsic impedances of 7.6 and 2.8 respectively. Calculate the transmission coefficient.

0.538

1.46

0.46

0.368

Solution:

Where are capacitors used in electrical circuits?

Where more current is needed

Where more voltage is needed

Where more power is needed

Where more resistance is needed

Solution:

Find the reflection coefficient of an electromagnetic wave that falls normally on a boundary separating two media with impedances Z1 = 200Ω and Z2 = 450Ω.

0.38

1.44

2.60

0.56

Solution:

If a ferromagnetic material is inserted into a current-carrying solenoid, the magnetic field inside the solenoid:

Largely increases

Slightly increases

Largely decreases

Slightly decreases

Solution:

Calculate the work done in the power transmission when the electric field, E = 25 units and the magnetic field intensity, H = 36 units. The velocity of propagation is 20 m/s.

45 units

14 units

29 units

35 units

Solution:

When a very high magnetic field is applied to a stationary charge, the charge experiences:

A force perpendicular to the magnetic field

No force

Force in an arbitrary direction

A force in the direction of the magnetic field

Electromagnetic-theory Questions Set 62:

Which wavelength of the sun's radiation is used to generate electric energy?

Solution:

What is the direction of the force between two charges, 2C and -5C, in air?

Solution:

The electrostatic force between two charges of 1 coulomb each and placed at a distance of 0.5 m will be ____________ x 10⁶N

Solution:

A wave travelling through two media have intrinsic impedances of 7.6 and 2.8 respectively. Calculate the transmission coefficient.

Solution:

Where are capacitors used in electrical circuits?

Solution:

Find the reflection coefficient of an electromagnetic wave that falls normally on a boundary separating two media with impedances Z1 = 200Ω and Z2 = 450Ω.

Solution:

If a ferromagnetic material is inserted into a current-carrying solenoid, the magnetic field inside the solenoid:

Solution:

Calculate the work done in the power transmission when the electric field, E = 25 units and the magnetic field intensity, H = 36 units. The velocity of propagation is 20 m/s.

Solution:

When a very high magnetic field is applied to a stationary charge, the charge experiences:

Solution:

Related Question Sets:

Related Topics:

Electromagnetic-theory Questions Set 62:

Which wavelength of the sun's radiation is used to generate electric energy?

Solution:

What is the direction of the force between two charges, 2C and -5C, in air?

Solution:

The electrostatic force between two charges of 1 coulomb each and placed at a distance of 0.5 m will be ____________ x 106N

Solution:

A wave travelling through two media have intrinsic impedances of 7.6 and 2.8 respectively. Calculate the transmission coefficient.

Solution:

Where are capacitors used in electrical circuits?

Solution:

Find the reflection coefficient of an electromagnetic wave that falls normally on a boundary separating two media with impedances Z1 = 200Ω and Z2 = 450Ω.

Solution:

If a ferromagnetic material is inserted into a current-carrying solenoid, the magnetic field inside the solenoid:

Solution:

Calculate the work done in the power transmission when the electric field, E = 25 units and the magnetic field intensity, H = 36 units. The velocity of propagation is 20 m/s.

Solution:

When a very high magnetic field is applied to a stationary charge, the charge experiences:

Solution:

Related Question Sets:

Related Topics:

The electrostatic force between two charges of 1 coulomb each and placed at a distance of 0.5 m will be ____________ x 10⁶N