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.

compare the delay in sending x-bit msg over k-hop path in ckt switched nw nin lightil loaded packet swithed nw. the ckt setup time is s per hop,the packet size is p bits n data rate is' b' bps under what condition does packet nw have lower delay?

0 Answers   Mtech,

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what is the difference between electronics and power electronics

1 Answers  

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What is the reason that sometimes we get network busy message in mobiles while attempting a call?

6 Answers   NTPC,

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W#hat is the Present cabling used in Ethernet? and present days networks?? And What is the mostly used topology now a dyas?

3 Answers   BARC,

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5. The determinant of matrix <image> is (a) 1 (b) 9 (c) 15 (d) 21

1 Answers   BSNL,

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Why collector is always reverse-biased w.r.t base?

0 Answers  

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what is purpose of use stug.

0 Answers  

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As a water tank loses heat, the temperature drops by 2 K/min when a heater is on, the system gains temperature at 4 K/min. A two-position controller has a 0.5 min control lag and a neutral zone of ± 4% of the setpoint about a setpoint of 323 K. Plot the heater temperature versus time. Find the oscillation period

0 Answers   Lafarge,

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I had completed my diploma in electronics and communication. Currently am working with a pvt. ltd. (with two years of experiences) company which makes panel using plc, VFD(drivers) and scada monitoring system. so should i get supervisor licence for my supervisor post???

0 Answers  

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what is the bandwidth and band????????

2 Answers  

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how to interface hall effect sensor with 8051 microcontroller?

0 Answers  

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Define what is meant by small signal amplifier?

0 Answers  

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