What do you understand by leds? How do they work?

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Explain why an ammeter should be of very low resistance?

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Explain zener breakdown and avalanche breakdown?

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What will happen when higher size of cable used instead of required size example 1.5 sqmm used in place of .75 sq mm whether it will create any problem for communication?

1 Answers  

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i want to get rrb solved paper of s.e. & j.e.. on my mail mraj.meena@gmail.com

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What is meant by the temperature coefficient?

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What is the necessity of heat sink?

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i want exam information bhel, nal, hal, bel you have any idea or any question papers or placement papers please send soon

0 Answers   Bhel,

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

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write a programme to identify the biggest number from the given three numbers with out using of relational operators

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In automation process timer based automation is best or not? any other possible methods are available

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In UMTS, which will control RRC protocol??

0 Answers   Motorola,

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