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Why doesn't any current flow through the galvanometer in a balanced Wheatstone bridge?
There is no current flow through the galvanometer in a balanced Wheatstone bridge because, in the balanced state, the voltage on both terminals of the galvanometer is the same. Since the voltage differential in zero, there can be no current.
In delta connection what is formula for phase current?
Line current = 1.732 x Phase CurrentCommentOnly for balanced loads.
What is the approximate lagging phase angle for the current in this circuit?
Only a guess can be made - 35 degrees?
In India we have two wires come in our homes do both carry current?
Any circuit has at least two conductors. Otherwise, by Kirchoff's current law, there would be no current, therefore no power, therefore no work. The current coming on one wire is exactly balanced by the current going out on the other wire. If there is a third wire/connection, such as a ground wire, it is possible for current to flow on that conductor as well but, usually, there is no current expected to flow on the (safety) ground conductor.
Why is three-phase alternating current used for distribution systems?
Simply because it is cheaper. (You dont need the extra wire) However you can only use a 3 wire system if the load is a balanced load. If the load is not balanced you need the fourth wire (neutral/return) to take the out of balance current.
Why doesn't any current flow through the galvanometer in a balanced Wheatstone bridge?
There is no current flow through the galvanometer in a balanced Wheatstone bridge because, in the balanced state, the voltage on both terminals of the galvanometer is the same. Since the voltage differential in zero, there can be no current.
How do you find neutral current in star connected circuit?
if it is balanced then neutral current is zero (!,e iR=iY=iB).AnswerFor both a balanced and an unbalanced load, the neutral current will be the phasor sum of the line currents.
What is the approximate population of humans on Earth now?
The current approximate population of humans on Earth is around 7.9 billion.
What does electrically balanced mean?
In a three phase system, if the current in all three phases are same, then it is a balanced system.
What is the approximate current population of the world?
About 7,026,653,246 (July 16, 2012)
How much will neutral current be in a 3phase 4-wire y system with a balanced load?
Balanced load means no unbalanced currents, so the neutral current should be near zero.
In delta connection what is formula for phase current?
Line current = 1.732 x Phase CurrentCommentOnly for balanced loads.
When did planets reach their general current size?
The planets reached their approximate current size about four and a half billion years ago.
What is the approximate current number of job cardholders under MGNREGS in India?
11 Crore
In a certain balanced three phase system each line current is 5 a and each line voltage is 220v what is the approximate real power factor is 0.7?
1905 watt's ( the pf hasn't been indicated as leading or lagging) this is wrong. the answer is 1770 W its looking for a symplified answer if you dont know whether its leading or lagging use basic formula 220v * 5a * .7 = watts
What happens to neutral line voltage that gets returned to the power company?
Nothing. The electricity company balanced the feeds out of each substation so that the returning current is balanced. So the returning current is just an overall part of the grid.
What is the approximate lagging phase angle for the current in this circuit?
Only a guess can be made - 35 degrees?
