An EM wave radiates outwards from a dipole antenna, with E0 as the amplitude of its electric field vector.

Question

An EM wave radiates outwards from a dipole antenna, with E0 as the amplitude of its electric field vector.

An EM wave radiates outwards from a dipole antenna, with E₀ as the amplitude of its electric field vector. The electric field E₀which transports significant energy from the source falls off as

(a) 1/r³

(b) 1/r²

(c) 1/r

(d) remains constant.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

If vector a = 2i – j + 3k and vector b = (6i +λj +9k) and vector a || vector b, find the value of λ.

1 Answers 6 Views

The intended frequency of operation of dipole antenna of cutoff wavelength of 3.5m is

1 Answers 6 Views

If E and B represent electric and magnetic field vectors of the electromagnetic wave, the direction of propagation of electromagnetic wave is along

1 Answers 4 Views

The ratio of contributions made by the electric field and magnetic field components to the intensity of an EM wave is

1 Answers 4 Views

Even though an electric field E exerts a force qE on a charged particle yet the electric field of an EM wave

1 Answers 4 Views

A message signal of frequency ωm is superposed on a carrier wave of frequency ωc to get an amplitude modulated wave (AM).

1 Answers 4 Views

According to Stefan’s law of radiation, a black body radiates energy σ T4 from its unit surface

1 Answers 4 Views

If vector(a and b) are two non-zero vectors such that |vector(a x b)| = vector(a.b), then find the angle between vector(a and b).

1 Answers 4 Views

Dipole-dipole forces act between the molecules possessing permanent dipole. Ends of dipoles possess ‘partial charges’.

1 Answers 4 Views

If vector (a x b ) x c) = vector (a x ( b x c) , then prove that either vector a is parallel to vector c or vector b is

1 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

The electric field E₀is 1/r

4 views Answered 2023-02-05 15:29