I want previous rrb enteranse exam papers in section engineer. please send that papers to my id rohit_nist@yahoo.co.in

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When a sample of germanium and silicon having same impurity density are kept at room temperature then resistivity of silicon will be higher than that of germanium, why?

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What is function of IGBT? How it works?

15 Answers   TCS,

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what is the last major networking problem you trouble shoot and solved on your own in the last year?

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What is PLC ? What it does ? What are its components ? When & where we use PLC & How ? What are its Pros & Cons over other things ? What are the main faults that occur in it ? What are other devices that are similar to it and how we can compare them all ?

0 Answers   Pricol,

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What is a bcd? What are its advantages and disadvantages? Why is an excess-3 code is called an unweighted code?

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what is the operation of logic gates when no input is applied

2 Answers  

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need previous placement test papers of infosys and soctronics

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what is the active & passive component in electronics circuit give me the list of all active and passive component

2 Answers  

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What are the test parameters to check the proper functionlity of TCP/IP protocol.

0 Answers   Infosys, Mind Tree,

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Explain why reversal of phase occurs in a bjt ce amplifier.

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Explain how to calculate knee point voltage? Describe its purpose for differential protection.

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