Consider telecommunication through optical fibres. Which of the following statements is not true?
Consider telecommunication through optical fibres. Which of the following statements is not true?
The correct option is D Optical fibres are subject to electromagnetic interference from outside.
In
Optical fiber cables electromagnetic Interference is a common noise that
originates with the basic properties of electromagnetism. Magnetic field lines
generate an electrical current as they cut across conductors. The flow of
electrons in a conductor generates a magnetic field that changes with the
current flow., since current does cut across the conductor. Fiber optics are subject
to electromagnetism since signals are transmitted as light instead of current. As
Fluctuations in the induced magnetic field outside a conductor carry the same
information as the current passing through the conductor so optical fiber
cables are not subject to electromagnetic interference from outside.
In
Optical fiber cables electromagnetic Interference is a common noise that
originates with the basic properties of electromagnetism. Magnetic field lines
generate an electrical current as they cut across conductors. The flow of
electrons in a conductor generates a magnetic field that changes with the
current flow., since current does cut across the conductor. Fiber optics are subject
to electromagnetism since signals are transmitted as light instead of current. As
Fluctuations in the induced magnetic field outside a conductor carry the same
information as the current passing through the conductor so optical fiber
cables are not subject to electromagnetic interference from outside.
