its to differentiate d working and faulty of d instrument.
live zero-even when the i/p s zero,o\p has sme value..4mA..
dead zero-if d instrument s faulty,it wl show d real zero value..below 4mA..
std accepted value is 4-20mA..
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dead load and live load dead load is the load of weight that is on the floor that is part of the construction of the house live load is the weight you add to it as in people furniture etc,
Zero volts produces zero current.
No, Terminal voltage of a battery can't be zero. For example, if my mobile's battery is at low charge. It is showing only one point of charge on screen, but there will be no fluctuation on its screen, all the other features like audio, video, display will remain same unless it will become fully out of charge. Charge could be zero but the voltage can't be zero. Well, actually the terminal voltage of a battery can be zero, but only when the battery is totally dead and unable to take a charge (if it was a rechargeable type battery). At this point it must be disposed of. One exception is wet cell batteries (like lead acid), if the liquid electrolyte is removed the terminal voltage goes to zero but the battery is still good and can be restored to normal operation by refilling it with electrolyte. In fact wet cell batteries are often sold fully charged but with no electrolyte and their terminal voltage is thus zero on the store shelf until the salesman fills them with electrolyte.
An influence line is used to show the effect of a dead load. This data normally manifests in a graphical display. Dead loads are permanently on the structure. The weight of the structure, or other similar elements is called a dead load.
No current flows when the the voltage is zero.