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QAIPMT-2009-Ph-2167: NEET 2009 Physics - Class 12 AIPMT-2009-Ph-2167 Solution: A wire of resistance 12 ohms per meter is bent to form a…

A wire of resistance 12 ohms per meter is bent to form a complete circle of radius 10 cm. The resistance between its two diametrically opposite points, A and B as shown in the figure is

Multiple Choice Options

A $3\Omega$
B $6\pi\Omega$
C $6\Omega$
D $0.6\pi\Omega$

Step-by-Step Verified Solution

The resistance of length 2 � R is 12 � . Hence the resistance of length � R is 6 � . Thus two resistances of 6 � can be represented as shown in fig. _ Equivalent resistance R = 6 _ 6 12 = 3

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