MCQ
Broadcasting antennas are generally
  • A
    Omnidirectional type
  •  Vertical type
  • C
     Horizontal type
  • D
     None of these

Answer

Correct option: B.
 Vertical type
Vertical type

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

There are four concentric shells $A, B, C $ and $D $ of radii $ a, 2a, 3a$  and $4a$ respectively. Shells $B$ and $D$ are given charges $+q$ and $-q$ respectively. Shell $C$ is now earthed. The potential difference $V_A - V_C $ is : 
Hydrogen atom is bombarded with electrons accelerated through a potential different of $\mathrm{V}$, which causes excitation of hydrogen atoms. If the experiment is being formed at $\mathrm{T}=0 \mathrm{~K}$. The minimum potential difference needed to observe any Balmer series lines in the emission spectra will be $\frac{\alpha}{10} \mathrm{~V}$, where $\alpha=$____________.
In a region, if electric field is defined as $\vec E = \left( {\hat i + 2\hat j + \hat k} \right)\,V/m$ , then the potential difference between two points $A (0, 0, 0)$ and $B (2, 3, 4)$ in that region, is ......$V$
If a copper wire is stretched to increase its length by $20 \% $. The percentage increase in resistance of the wire is $..........\%$
The collector plate in an experiment on photoelectric effect is kept vertically above the emitter plate. Light source is put on and a saturation photocurrent is recorded. An electric field is switched on which has a vertically downward direction.
Rest mass energy of an electron is $0.54\, MeV.$ If velocity of the electron is $0.8\, c$, then $K.E.$ of the electron is .......... $MeV$
A message signal of frequency $3\,kHz$ is used to modulate a carrier signal of frequency $1.5\,MHz$. The bandwidth of the amplitude modulated wave is
The focal length of a lens of refractive index $\mu$ is f. If the lens is immersed in a liquid of refractive index $\mu$ then the focal length of lens is:
A man is suffering from colour blindness for green colour. To remove this defect, he should use goggles of
The distance between object and its two times magnified real image as produced by a convex lens is $45 \mathrm{~cm}$. The focal length of the lens used is___________ $\mathrm{cm}$.