Communication Systems
A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be

Orthogonal
Correlated
Uncorrelated
Statistically independent

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

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Communication Systems
In Pulse Code Modulation system

Large bandwidth is required
Suffers from the disadvantage of its incompatibly with TDM
Quantising noise can be reduced by decreasing the number of standard levels
Quantising noise can be overcome by companding

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