try on magnetism

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try on magnetism

Post  Admin on Tue Jan 12, 2010 1:48 am

2 circular loops of equal radii are placed coaxially at some separation.
The first is cut and a battery is inserted to drive a curent in it .
The current changes slightly due to the variation in resistance with temperature.
During this period , the loops ,

[a]attract each oder

[b) Repel each oder

[c] do not exert any force on each oder

[d]attract or repel each other depending on the sense of the current .

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Re: try on magnetism

Post  shagydeep on Tue Mar 12, 2013 1:07 pm

Hello,
I think you answer is
[a]attract each other
because if you cuts the power from one the it again comes in it's normal position...

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