3 scientific Reasons, why the birds are not getting electrocuted when they are sitting on power lines
Why does a human gets electrocuted while
standing on a power line while a bird doesn't?
Do the Birds are
having a amazing power ??
or
Do they specially
blessed by god ??
Here
the Answers for your Queries ..
The
Concept is simple and can be easily understood when you focus a little.
The Fact No 1 :
The
Circuit is not completed
The
Circuit needs to be completed in order to the current flow.
The
Condition is that ,
The
Current will flow when we are in contact with the current source and earth or
earthed objects at the same time.
Simply
for the current flow , the current source , conductor (Path) and return circuit
(Earth / earthed object) is essential.
Here
in this situation when the birds are sitting on the power lines , the
circuit is incomplete, so they won't get electrocuted.
The Fact No 2
:
There
is no potential Difference
The
current always flows from the higher potential to the lower potential , so the
concept is for the electricity to flow there must be a potential
difference.
When the
birds are sitting & both legs are on a single power line, there will be no
potential difference , so the current will not flow.
The Fact No 3 :
The
Current will always choose a path of least resistance
For
understanding :
The
Same principle which we are using for earthing , where the least resistance
wire is connected to central area of machine , which has the least resistance
compared to any other components of machine.
When
there is a leakage, the fault current will flow through the earthing wire
instead of machine components.
So here with this bird scenario :
The
Electrons will always choose a path of least resistance , similar like a person
takes short cuts to reach the area instead of the straight road with number of
barriers.
When
the birds are sitting in a power line, the electrons has a two
options
- Either it can pass through bird (high resistance)
- Through conducting wire (Least resistance)
In
this two options , the electrons will always prefer a route of metal or
conducting wire , instead of birds feet which offers the higher resistance.
When the bird
will get electrocuted :
- If the bird touch the ground while sitting on the wire
(Completeness of circuit )
- If the Bird touch the another electrical wire with a different
voltage ( Presence of potential Difference)
When
the above mentioned conditions are met , the birds are become a path for the
electricity to reach the ground or a place of different voltage (Potential).
Also I suggest you to read this link
Also I suggest you to read this link
14 life-saving tips on How to React, if a Power Line Falls on Your Car?
The Best safety practitioners will share their thoughts ,
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Great Post... Expecting more from yu
ReplyDeleteThanks For Your Comments Fazil , we are focused & working for delivering more health and safety information on this blog, Keep waiting for the next life saving posts :-)
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ReplyDeleteDear Mr.Saleem , Thanks for your Query
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