KCET 2025 Physics Paper

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Question : 28 of 60

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Two thin long parallel wires separated by a distance ' r ' from each other in vacuum carry a current of I ampere in opposite directions. Then, they will

Attract each other with a force per unit length of ‌
µ0I2
2πr
Repel each other with a force per unit length of ‌
µ0I2
2πr
Repel each other with a force per unit length of ‌
µ0I2
2πr2
Attract each other with a force per unit length of ‌
µ0I2
2πr2

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