WHY IGBT IS CALLED MINORITY CARRIER DEVICE?

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plz send the rrb junior engg and assistant loco pilot previous quastion papers

0 Answers  

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Define what do you understand by reverse saturation current of a diode?

0 Answers  

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What is the maximum speed of ethernet ?

2 Answers   TCS,

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Oscillator crystal are made of a.) Silicon b.) Germanium c.) Quartz d.) None

5 Answers   BSNL,

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what is pla instruction

1 Answers   Wipro,

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Define timer.

0 Answers  

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The microcontroller perform one function at a time.whether it is advantage of microcontroller or disadvantage of microcontroller

4 Answers  

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Can fuses with an ac voltage rating be used in a dc applications?

0 Answers  

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Explain why are using 4ma to 20ma for signal transfer. Why not 0 to 20ma?

0 Answers  

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What is meant by sequence control of ac voltage regulators?

0 Answers  

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What are all the connectors used in the GSM Architecture like Abis is used between BTS and BSC, I need it in detail.

1 Answers   RRB,

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