Find the load current of a 50 Ω transmission line when the source voltage is 100 V.

The XEROX machine works on the principle of:

Which type of DC motor is generally preferred for cranes and hoists?

In D.C. machines, the residual magnetism is typically in the range of:

The hot electric iron has a resistance of 80 ohms and is used on a 200 volt source. The electrical energy spent if it is used for 2 hours will be:

A conducting material has a conduction current density of 150 units and an electric field of 4 units. Find the conductivity of the material.

A plane wave is travelling in the z direction and has the electric field components in the x and y directions. The components are given as:

E_x = 3 cos(ωt)

E_y = 3 sin(ωt)

What is the polarization of the wave?

An antenna has a power input of 40π watts and an efficiency of 90%. The radiation intensity has been found to have a maximum value of 150 watts per unit solid angle. Given the above parameters, what is the directivity of the antenna?

Unpolarized light of intensity I is incident on the surface of a block of glass at Brewster's angle. Which one of the following statements is true?