Q. A plane wave is characterized by following equation. The wave is

View solution

Q. A uniform plane wave is one in which

View solution

Q. The electric field of the incident wave is given by following equation. Where ω = 3 x 10⁹π and β = 10 π. The electric field of the transmitted wave Et is given by

View solution

Q. A short circuited stub is shunt connected to a transmission line as shown in the figure is, if z0 = 500 ohms, the admittance y seen at the function of the stub and the transmission line is

View solution

Q. The torque (in mm) acting on a circular current loop of radius 1 mm in the xy plane, connected at the origin and with current 0.1 A, flowing in the sense of increasing in a following magnetic field is

View solution

Q. Two identical antennas are placed in the θ = π/2 plane as shown in the figure. The elements have equal amplitude excitation with 180° polarity difference, operating of the far-zone resultant electric field strength normalized with that of a single element, both computed for φ = 0, is

View solution

Q. For static magnetic field Maxwell's curl equation is given by

View solution

Q. Two identical and parallel dipole antenna are kept apart by a distance of λ/4 in the H-plane. They are fed with equal currents but the right most antenna has a phase shift of + 90°. The radiation pattern is given as

View solution

Q. Which one of the following statement is not a correct for a plane wave with

View solution

Q. For a transmission line with homogeneous dielectric the capacitance per unit length is 'c', the relative permittivity of the dielectric is 'εr' and velocity of light in free space is 'v' the characteristic impedance z0 is equal to

View solution

Q. If the electric field intensity is given by following equation, the potential difference between x(2, 0, 0) and y(1, 2, 3) is

View solution

Q. Medium 1 has the electrical permittivity ε1 = 1.5 ε0 farad/m and occupies the region to the left of x = 0 plane. Medium 2 has the electrical permittivity ε2 = 2.5 ε0 farad/m and the occupies the region to the right of x = 0 plane. If E1 in medium 1 is given by below equation, then E2 in medium 2 is

View solution

Q. Find the flux crossing the plane surface defined by 0.5 ≤ r ≤ 3.5 m and 0 ≤ z ≤ 3 m. if

View solution

Q. The sinusoidally time varying vector field is

View solution

Q. Which of the following relations is valid?

View solution

Q. The directive gain of an antenna is given by

View solution

Q. Which of the following relations is correct?

View solution

Q. In case of static electric field Maxwell's divergence equation states that:

View solution

Q. Voltage standing wave pattern in a loss less transmission line with characteristic impedance 50 Ω and a resistive load is shown in the figure. The value of load resistance is

View solution

Q. In figure the voltage distribution on a vertical earthed antenna is represented by

View solution