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Electromagnetic-theory Questions Set 77:

Quiz Mode

The conducting wire is marked with three color strips: red, red, and orange. The value of its resistance is

220 ohms

22 ohms

2,200 ohms

22,000 ohms

Solution:

The kinetic energy of an electron is equal to 2 eV (electron volts). Find the velocity of the electron.

4.76 x 10^5 m/s

8.34 x 10^5 m/s

4.76 x 10^3 m/s

8.34 x 10^3 m/s

Solution:

The intrinsic impedance is the ratio of the square root of

Permittivity to permeability

Permeability to permittivity

Phase constant to wavelength

Wavelength to phase constant

Solution:

If the electric flux density, D = 0.3r² a₊ nC/m², in free space, what is the total electric flux leaving the sphere with a radius of r = 4 m?

966 C

965.09 nC

977.08 nC

None of the above

Solution:

To reduce the speed of a D.C. motor below the normal speed without wasting electrical energy, the method used is:

Ward Leonard control

Rheostatic control

Any of the above methods

None of the above methods

Solution:

In an AC circuit, the potential difference across an inductance and resistance joined in series are 16 V and 20 V respectively. The total potential difference across the circuit is:

20.0 V

31.9 V

25.6 V

53.5 V

Solution:

A transmission line has a reflection coefficient of 0.42 and the power reflected is calculated to be 18 units. What is the incident power of the transmission line?

42.85 units

7.56 units

3.18 units

102.04 units

Solution:

What is the electric flux density in rectangular coordinates at point P(2,-3,6) produced by a uniform surface charge density ρ_s = 120 μC/m² on the plane z = -5 m?

-60 a_z μC/m²

60 a_z μC/m²

-50 a_z μC/m²

-70 a_z μC/m²

Solution:

Arrange the following electromagnetic waves in the order of increasing frequency:

Gamma Rays, X-rays, visible light, radio waves

X-rays, Gamma Rays, visible light, radio waves

Radio waves, visible light, X-rays, gamma rays

Radio waves, visible light, Gamma Rays, X-rays

Solution:

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upward. The particle will

Move in a circular path with a uniform speed

Get deflected in a vertically upward direction

Move in a circular path with an increased speed

Move in a circular path with a decreased speed

Electromagnetic-theory Questions Set 77:

The conducting wire is marked with three color strips: red, red, and orange. The value of its resistance is

Solution:

The kinetic energy of an electron is equal to 2 eV (electron volts). Find the velocity of the electron.

Solution:

The intrinsic impedance is the ratio of the square root of

Solution:

If the electric flux density, D = 0.3r² a₊ nC/m², in free space, what is the total electric flux leaving the sphere with a radius of r = 4 m?

Solution:

To reduce the speed of a D.C. motor below the normal speed without wasting electrical energy, the method used is:

Solution:

In an AC circuit, the potential difference across an inductance and resistance joined in series are 16 V and 20 V respectively. The total potential difference across the circuit is:

Solution:

A transmission line has a reflection coefficient of 0.42 and the power reflected is calculated to be 18 units. What is the incident power of the transmission line?

Solution:

What is the electric flux density in rectangular coordinates at point P(2,-3,6) produced by a uniform surface charge density ρ_s = 120 μC/m² on the plane z = -5 m?

Solution:

Arrange the following electromagnetic waves in the order of increasing frequency:

Solution:

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upward. The particle will

Solution:

Related Question Sets:

Related Topics:

Electromagnetic-theory Questions Set 77:

The conducting wire is marked with three color strips: red, red, and orange. The value of its resistance is

Solution:

The kinetic energy of an electron is equal to 2 eV (electron volts). Find the velocity of the electron.

Solution:

The intrinsic impedance is the ratio of the square root of

Solution:

If the electric flux density, D = 0.3r² a₊ nC/m², in free space, what is the total electric flux leaving the sphere with a radius of r = 4 m?

Solution:

To reduce the speed of a D.C. motor below the normal speed without wasting electrical energy, the method used is:

Solution:

In an AC circuit, the potential difference across an inductance and resistance joined in series are 16 V and 20 V respectively. The total potential difference across the circuit is:

Solution:

A transmission line has a reflection coefficient of 0.42 and the power reflected is calculated to be 18 units. What is the incident power of the transmission line?

Solution:

What is the electric flux density in rectangular coordinates at point P(2,-3,6) produced by a uniform surface charge density ρs = 120 μC/m2 on the plane z = -5 m?

Solution:

Arrange the following electromagnetic waves in the order of increasing frequency:

Solution:

A positively charged particle moving due east enters a region of uniform magnetic field directed vertically upward. The particle will

Solution:

Related Question Sets:

Related Topics:

What is the electric flux density in rectangular coordinates at point P(2,-3,6) produced by a uniform surface charge density ρ_s = 120 μC/m² on the plane z = -5 m?