Which of the following represents Poynting's theorem?

Which of the following represents Ohm's law?

What is the reflection coefficient of a transmission line with a short-circuited load?

The characteristic impedance of a distortion-free transmission line is:

The three vertices of a triangle are located at A(6,-1,2), B(-2,3,-4), and C(-3,1,5). What is the value of the angle BAC at vertex A (in degrees)?

In Ward-Leonard control, the lower limit of speed is imposed by

Calculate the peak electric field of an electromagnetic (EM) wave coming from a source S having an intensity of 1320 W/m².

(The intrinsic impedance of air, η, is 377 Ω.)

The work done in a power transmission is 200 units, and the electric (E) and magnetic (H) field components are 45 units and 70 units respectively. Calculate the velocity of propagation.

What is the electric flux density in rectangular coordinates at point (2, -3, 6) produced by a uniform line charge ρ_L = 20 μC/m on the x-axis (in μC/m²)?

When a current I flows along the length of an infinitely long, straight, thin-walled pipe, the magnetic field inside the pipe is: