Moving Charges and Magnetism

Question: Two long parallel wires P and Q are both perpendicular to the plane of the paper with distance 5 m between them. If P and Q carry current of 2.5 amp and 5 amp respectively in the same direction, then the magnetic field at a point half way between the wires is

1) $\frac{{\sqrt 3 {\mu _0}}}{{2\pi }}$

2) $\frac{{{\mu _0}}}{\pi }$

3) $\frac{{3{\mu _0}}}{{2\pi }}$

4) $\frac{{{\mu _0}}}{{2\pi }}$

Solution:

Explanation: No Explanation

Biot-Savart's Law Amperes Law

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