Magnetic Effects & Magnetism

JEE Main level, single correct, medium

239 of 276

Question 239 of 276

Two thin, long parallel wires separated by a distance 'd' carry a current of 'i' AA in the same direction. They will

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Answer: (A) attract each other with a force of μ0i2/(2πd)\mu_0 i^2 /(2 \pi \mathrm{d})

Using the definition of force per unit length due to two long parallel wires carrying currents.

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