Exams
Subjects
Classes
Home
Exams
Electronics and Communication Engineering
Antennas and Wave Propagation
find the maximum gain of ...
Question:
medium
Find the maximum gain of a \(\frac{\lambda}{2}\) wire dipole operating at 30 MHz?
Show Hint
Important antenna gains: \[ \text{Isotropic antenna}=1 \] \[ \text{Half-wave dipole}=1.64 \] \[ \text{Half-wave dipole}=2.15~dB \]
TS PGECET - 2026
TS PGECET
Updated On:
Jun 25, 2026
\(1\)
\(1.64\)
\(10.23\)
\(30.33\)
Show Solution
The Correct Option is
B
Solution and Explanation
Download Solution in PDF
Was this answer helpful?
0
Top Questions on Antennas and Wave Propagation
A dipole antenna, with some excitation in free space was radiating a certain amount of power. If this antenna is immersed in a lake where water is non-magnetic and non-dissipative but has a dielectric constant of 81, the radiated power with the same excitation will
CUET (PG) - 2025
Electronics Engineering
Antennas and Wave Propagation
View Solution
The height of a TV tower is 180 m. To what distance the transmission can be made from this tower, if the radius of earth is \(6.4 \times 10^6\) m?
CUET (UG) - 2023
Physics
Antennas and Wave Propagation
View Solution
Identify the polarisation of the wave given, \(E_x=2\cos\omega t\), \(E_y=2\sin\omega t\) and the phase difference is \(+90^\circ\)
TS PGECET - 2026
Electronics and Communication Engineering
Antennas and Wave Propagation
View Solution
For a lossy transmission line, the characteristic impedance does not depend on
TS PGECET - 2026
Electronics and Communication Engineering
Antennas and Wave Propagation
View Solution
Want to practice more? Try solving extra ecology questions today
View All Questions
Questions Asked in TS PGECET exam
The Eigenvalues of \(3\times 3\) real matrix A are 1, 2, 3 then \(A^{-1} =\)
TS PGECET - 2026
Linear Algebra
View Solution
Let \(A=\begin{bmatrix} 1 & 1 & 0 \\ 0 & 1 & 1 \\ 0 & 0 & 1 \end{bmatrix}\). If \(u_1\) and \(u_2\) are column matrices such that \(Au_1 = \begin{bmatrix} 2 \\ 1 \\ 0 \end{bmatrix}\) and \(Au_2 = \begin{bmatrix} 1 \\ 0 \\ 1 \end{bmatrix}\), then \(u_1 - u_2\) is
TS PGECET - 2026
Matrices
View Solution
Let \(a,b\) and \(c\) be real numbers. Suppose there exist real numbers \(x,y,z\) which are not all zero such that the system of equations \(x = cy + bz\), \(y = cx + az\) and \(z = bx + ay\) has a non-zero solution then \(\left(a+b+c\right)^2 =\)
TS PGECET - 2026
Determinants
View Solution
For the function \(f(x)=\log x\), the number \(c\) strictly between \(e^2\) and \(e^3\) that satisfies \(f'(c)=\dfrac{f(e^3)-f(e^2)}{e^3-e^2}\) is
TS PGECET - 2026
Calculus
View Solution
The directional derivative of \(f(x,y,z)=4e^{2x-y+z}\) at the point \((1,1,-1)\) in the direction of the vector \(\vec{a}=-4\hat{i}+4\hat{j}+7\hat{k}\) is
TS PGECET - 2026
Vector Calculus
View Solution