An electromagnetic wave having frequency f0 gets attenuated by a factor of e-2 after propagating a distance d in a good conductor. If the signal frequency is now reduced to 0.5 f0, after travelling the same distance d in the same conductor, the signal will get attenuated by a factor of:
A. e-4
B. e-2√2
C. e-√2
D. e-1
Answer: Option C
Related Questions on Electromagnetic Field Theory
A loop antenna is a commonly used for
A. Radar
B. Direction finding
C. Satellite communication
D. All of the above
The divergence of a vector is a scalar, while the curl of a vector is another
A. Scalar
B. Vector
C. Unit vector
D. None of the above
Which antenna is a wideband antenna?
A. Hertz antenna
B. Marconi antenna
C. Folded dipole
D. None of the above
A. Accelerating
B. Retardation
C. Oscillating
D. Lagging the current

Join The Discussion