We all know about DC concept,i.e +ve connected to +ve ,-ve
connected to -ve.
If landline phones lines are dc lines,then how it works even
if the polarties are interchanged??
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Draw the block diagram of a 128 line EPABX and explain its operation?
The property of a metal that is determined by the indentation on a metal surface
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Can any one please send me the hpcl question papers or pattern for ece branch please mail to sweetyastweety@gmail.com
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