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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Resistance!!!
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ashgirl (1434)

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a 4ohm non insulated resistance wire is bent in the middle by 180' and both the halves r twisted wid each other. wat is the new resistance?

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iitrank1 (50)

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2 ohm
iz it???
 
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ashgirl (1434)

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no, 1ohm!!
if u get plz explain it!!

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lokeshsardana (675)

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simple yaar! in final condition there will be 2 resistances each of 2 ohm connected in parallel...........so, nett resistance is 1 ohm......

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ashgirl (1434)

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twisting it is like connecting it in parallel??

Remember Cedric. Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory.


Albus Dumbledore
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iitrank1 (50)

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ya it iz wat i waz gonna tell yaaa..
i thght u ll know tht...
answer iz gonna b 1 itself
want a figure???
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iitrank1 (50)

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thts gonna b in parallel of crse
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ramyani (2530)

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see when you bent the wire in the middle, the resistences of the two parts become 2 ohm each. these two resistances are connected in parallel.so equivalent reistance is 1 ohm

it is not important where u stand, but in which direction u are moving
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ashgirl (1434)

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yup!!

Remember Cedric. Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory.


Albus Dumbledore
Goblet of Fire, Chapter 37, Page 724
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ramyani (2530)

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i use a simple way to find whthr d resistances r in series or parallel. if there is head-head and tail-tail connection between the resistances, they r in parallel, n if there is head-tail connection, it is in series

it is not important where u stand, but in which direction u are moving
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harsh15 (139)

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shouldn't have asked this one?.try urself yaar.

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iitrank1 (50)

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ashgrl ....uuuhh i ll die really
no1 gets me ryt.............aaahh ooouuuccch
really bliv yaar i was honest ....2 was for each 1...
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ashgirl (1434)

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i got a bit confused abt the twisting thing.
but now i seriously feel dat the question was silly

Remember Cedric. Remember, if the time should come when you have to make a choice between what is right and what is easy, remember what happened to a boy who was good, and kind, and brave, because he strayed across the path of Lord Voldemort. Remember Cedric Diggory.


Albus Dumbledore
Goblet of Fire, Chapter 37, Page 724
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ramyani (2530)

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no. not at all silly. I don't hesitate to ask silly questns.

it is not important where u stand, but in which direction u are moving
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aditya_arora04 (1077)

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Hey can anyone post the diagram for the after bending. i am not able to get it correctly and please do mention from where is it connected to the battery.

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