Communication Systems
Circular polarization

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

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Communication Systems
Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation.

Both A and R are correct but R is not correct explanation of A
A is wrong but R is correct
Both A and R are correct and R is correct explanation of A
A is correct but R is wrong

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