Answer / nafees

1. Relay is an electrical device which is used to hold the power supply or we can say that its switching device.
its working principle is electromagnetic.

Answer / raj

Relay is used to connect or disconnect the power to a circuit without interfering the circuit supply or with an external supply

Earth connection is used to ground(Nutralise) the leakage voltage to protect the operator form the shock. if operator get shock the earth connection is defined as not working.

Answer / thiagarajan.e

Relay is electrical device,and it's prime function is a aprotection device,and it can be used for connect and dis connect purpose.

what is an industrial electronics engineer ? what he does ? what specialities and experties he should have ? what are the difference between industrial electronics engineer & electronics engineer & electrical engineer ?

0 Answers   TATA,

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i)if we use f.m for video signals in t.v. what will happen?

3 Answers  

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What precaution should be taken while handling CMOS IC

4 Answers  

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What is the use of Testing framework in Automated testing..what are different kinds of Testing frameworks available in Automated testing..

0 Answers   TCS, Wipro,

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what is a MEMS sensor? What is its advantage?

1 Answers   Bosch,

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proff of ERLANG B formula???

0 Answers  

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What is a weighted code?

0 Answers  

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Define what is a high-pass filter?

0 Answers  

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the two inputs to and gate are 4V and 5V.if threshold voltage is 0.5V.then what is output of and gate?if input voltage is reduced to 0.52V each,then what will be output?

2 Answers   Intel,

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when & where we say that here communication electronics gets involve ? Difference b/w communication electronics, power electronics, digital electronics, discrete electronics, analogue electronics & Mechatronics ? Where these are used & can be used ?

3 Answers  

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What is the significance of the bandwidth of an amplifier?

0 Answers  

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. The IT giant Tirnop has recently crossed a head count of 150000 and earnings of $7 billion. As one of the forerunners in the technology front, Tirnop continues to lead the way in products and services in India. At Tirnop, all programmers are equal in every respect. They receive identical salaries ans also write code at the same rate. Suppose 12 such programmers take 12 minutes to write 12 lines of code in total. How long will it take 72 programmers to write 72 lines of code in total? a) 18 b) 72 c) 6 d) 12

2 Answers   TCS,

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