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Tag: physics

Most important physics questions for 12th class
Theory Topics

Most important physics questions for 12th class

adminby adminJanuary 7, 2024November 24, 20240

Looking for the most important physics questions for 12th class? This comprehensive guide has got you covered! Get access to a carefully curated list of …

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  • An infinitely long wire, located on the z-axis, carries a current I along the +z-direction and produces the magnetic field \vec{B}. The magnitude of the line integral \int \vec{B} \cdot d\vec{l} along a straight line from the point (-\sqrt{3}a, a, 0) to (a, a, 0) is given by:

        \[\text{[} \mu_0 \text{ is the magnetic permeability of free space.] }\]

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