Sunday, October 18, 2009 0 comments Posted by chandra 6:23 AM






transformers are used to stepup or stepdown the voltages in power stations.



2ry turns more than primary-step up



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band

Saturday, October 17, 2009 0 comments Labels: Posted by chandra 12:32 AM






















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coulomb'slaw

Saturday, October 10, 2009 0 comments Labels: Posted by chandra 3:42 AM
















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coulomb'slaw

0 comments Posted by chandra 3:11 AM


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electron ,proton, neutron

Tuesday, October 6, 2009 0 comments Labels: , , Posted by chandra 12:26 AM
















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Saturday, October 3, 2009 0 comments Posted by chandra 11:53 PM




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0 comments Posted by chandra 11:53 PM

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