7805 working? why are 2 capacitors used in the circuit? can 2 diodes be used for making 5v supply?

3 Answers  

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What do you mean by the term "open" in OSI model?

6 Answers  

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India is the power supply is 230v 50hz,so why the other countries 110v 60hz AC power supply why?

5 Answers   BEL,

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Slant line with arrow head in NPN & PNP transistor indicate the direction of

22 Answers   HCL, RRB, Wipro,

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

2 Answers  

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I have applied for the post of Assistant Instrumentation Engneer in IOCL and need urgently IOCL sample paper please help me.

0 Answers   IOCL,

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What are the faults that might happen in SCADA ?

0 Answers   Havells,

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d/f between windows 2000 and 2003 os

3 Answers   Windows, Wipro,

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Hello all, My self Chandra Sekhar.Are there any certifications are there in Embedded Systems. If there, please provide me the details. My Mail ID: chandra_sas@yahoo.co.in

1 Answers  

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A half wave rectifier is used to supply 50vdc to resistive load of 800ohms the semiconductor diode has a forword resistance of 25ohms,calculate ac voltage required?

1 Answers   TCS,

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MAN SHOCKED DUE TO CURRENT OR VOLTEAGE

18 Answers   Genco, Satyam,

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What are the characteristics of an Ideal voltage source?

2 Answers   Bhel, Microsoft,

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