Physics, asked by sandra18, 1 year ago

a wire of resistance 10 ohm is bent to form a closed circle. what is the resistance across a diameter of the circle

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Answered by soukarsha

Diameter divides the circle in 2 equal portions
So diameter of the upper part of the circle is 5 ohm and that of lower part of circle is also 5 ohm .Now they are in parallel connection. So equivalent resistance across the diameter of the circle is (1/5+1/5 )^-1=2.5 ohm

Answered by ayushkumar13072005

Answer:

Hope it helps

Once the wire is formed a closed circle, the circle makes two parallel paths (each has 5ohms ) across its diameter. And equalent resistance of two resistors of 5 ohms connected in parallel is 2.5 ohms. ... Now, a circle has resistance of 10 ohm

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