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What are basic attenuation mechanisms in a fibre?
The fundamental attenuation mechanisms into a fibre are as follows:
a. Absorption
b. Scattering (Mie and Rayleigh scattering)
c. Radiation losses
d. Connection or coupling losses
What is the difference among isolation transformers and step up or step down transformer? Actually an isolation transformer may be physically the similar as a Step up/Step Down
write principles,construction & working of a moving coil galvanometer
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