wat you mean by harmonics? why you r using isolation transformer in digital ups or in normal means igbt ups?

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A Square matrix each of whose diagonal element is 1 and each of the non-diagonal element is zero is called

7 Answers  

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why we using different type of microwave antenna we using like one is connected to MMU and one more is connected to other slot what is use of both antenna?

0 Answers   TalentPro,

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What is ionospheric bending?

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

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What is firing angle?

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why do we need time domain & frequency domain.Differentiate between them.

1 Answers  

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Difference between SONAR and RADAR? Can we use SONAR instead of RADAR? How can you 'swap' two numbers in two registers (using ALU), without using 3rd register?

1 Answers   BEL,

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What is the operating temperature range of the 74 series of ICs?

1 Answers   NTPC,

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List the materials used for manufacturing pcb

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i am sudha..i am preparing for Appsc government polytechnic lecturers..anybody have previous papers pls send to my mail id..sudha.k402@gmail.com..

4 Answers   TCS,

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Draw the equivalent circuit of triac and diac.

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