When we use a multimeter, while checking continuity of a closed circuit , what is happening inside multimeter, how it is working to produce a beep wheather it is closed or open.. is there any internaly voltage/current source inside multimeter?

3 Answers   TNEB Tamil Nadu Electricity Board,

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why burdens of VTs is more than CTs?

0 Answers  

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in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

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difference between analog pressure gauge & digital pressure gauge?

1 Answers  

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Hi Friends pls give information regarding BARC written test. am attending by 20-5-2008. mail me to kkumarei@gmail.com or message to 9962122264

2 Answers   BARC,

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State The Difference Between Generator And Alternator?

0 Answers   ABB,

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what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

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what is the difference between elcb and rccb ?

0 Answers   Trident,

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Which type of alternator used in power station?

2 Answers  

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In an LT pole, the line voltage is 415V. How is it converted to 230V into the house via the service cable?

10 Answers  

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Why we use d.c. meger in a.c. induction motor?

1 Answers  

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what will happen if the input of a transformer is dc?

10 Answers   Hindalco,

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