Modelo electromagnético, Unidades y constantes

What is the electromagnetic model used to describe?

• Modeling the movement of tectonic plates

• Explaining the behavior of gravitational forces

• Describing interactions between sound waves and matter

• Interactions between electrically charged particles and the electromagnetic field.

In which coordinate system are vectors represented by their magnitude and direction?

• Cartesian Coordinate System

• Polar Coordinate System

• Spherical Coordinate System

• Cylindrical Coordinate System

What are the units of electric charge?

• Volts

• Ohms

• Coulombs (C)

• Watts

What is the value of the speed of light in a vacuum?

• 500,000,000 meters per second

• 186,282,394 meters per second

• 299,792,458 meters per second

• 100,000,000 meters per second

How is the electric field intensity represented in cylindrical coordinates?

• Er, Eθ, Ez

• Ex, Eφ, Ez

• Ex, Ey, Ez

• Er, Eφ, Ez

What is the formula for converting rectangular coordinates to spherical coordinates?

• φ = tan(y / x)

• r = x + y + z

• r = sqrt(x^2 + y^2 + z^2), θ = arccos(z / r), φ = arctan(y / x)

• θ = sin(z / r)

What is the unit of magnetic field strength?

• Tesla (T)

• Ohm (Ω)

• Ampere (A)

• Gauss (G)

What is the formula for converting cylindrical coordinates to rectangular coordinates?

• x = r * sin(θ), y = r * cos(θ), z = z

• x = r * cos(θ), y = r * tan(θ), z = z

• x = r * sin(θ), y = r * tan(θ), z = z

• x = r * cos(θ), y = r * sin(θ), z = z

What is the value of the permittivity of free space?

• 8.854 x 10^-12 F/m

• 6.022 x 10^23 F/m

• 9.81 m/s^2

• 3.141 x 10^-12 F/m

How is the magnetic field intensity represented in spherical coordinates?

• By using the horizontal component, vertical component, and radial component in spherical coordinates.

• By using the tangential component, normal component, and radial component in spherical coordinates.

• By using the x-component, y-component, and z-component in spherical coordinates.

• By using the radial component (Br), meridional component (Bθ), and azimuthal component (Bφ) in spherical coordinates.