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.

Why 50Hz power supply is standard?

2 Answers  

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i want the aptitude test papers of wipro can any one help plz

0 Answers   Wipro,

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Explain we take the area of collector wide comparison to base and emitter. Why?

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what is a voltage follower?

0 Answers  

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Differentiate between ppi and input output devices.

0 Answers  

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What is PLC ? How it is useful in automations ?

2 Answers   PTCL,

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Define what are the main purposes for which a common-collector amplifier may be used?

0 Answers  

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Charging & discharging of capacitor.

1 Answers  

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what is fixed bias with and without decoupling capacitor?

1 Answers   Siemens,

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Explain the operation of 1φ ac voltage controller with rl load?

0 Answers  

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What is the need for load flow study?

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Why is the grid in a cro provided with a hole in it?

0 Answers  

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