Answer / bushra

Noise is type of unwanted signals in communication.

Answer / vdd

noise is occured at channel it may be air medium also.so,whenever information transmitted through the air the information will be noisy due to atmospheric conditions.

Answer / gkb

noise is an error or unwanted signal added in transmitted or received signal which is remove by using filter.

Answer / kaushal patel

Noise is a error occurring in the normally communication system.Basically lots of types of errors . But sometimes errors also occurring due to the noise effect.

When signal is transmitted at source to destination , at that time signal have some lose ... That we can say that noise is occurring in communication.

if current is basic si unit why it dependent on time

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