Communication Systems
Which of the following does not cause losses in optical fibre cables?

Stepped index operation
Microbending
Impurities
Attenuation in glass

ANSWER DOWNLOAD EXAMIANS APP

Communication Systems
Circular polarization

None of these
Involves critical alignment of transmitting and receiving antenna
Is useful in discrimination between reception of adjacent beams
Is useful in reducing depolarization effect on received wave

ANSWER DOWNLOAD EXAMIANS APP