Why dont we get shock while testing for voltage with a line tester? How the bulb inside the tester glows while testing with tester coz we are totaly isolated from earth or we are not giving close path for the current to flow?

3 Answers  

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Is voltage & potential transformer are the same? Are they used for same application ?

11 Answers  

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what is the function of potential transformer in s/s

6 Answers  

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Transformer Secondary maximum current (max. load)

3 Answers  

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

0 Answers  

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how to find the resistance

3 Answers   Saint Gobain,

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why we measure output of transformer in kva?

1 Answers  

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what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

0 Answers  

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What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?

1 Answers  

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The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

0 Answers  

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How is the speed of a DC shunt motor related to the armature current?

0 Answers   GE,

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Explain about technical and non technical losses in distribution system?

0 Answers  

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