The magnetic lines of force due to a straight current carrying wire will be:

Engineering

Physics

Magnetic Field

Biot Savart Law

Motion of Charged Particle in Uniform Magnetic Field

Question

The magnetic lines of force due to a straight current carrying wire will be:

circular for infinite wire

circular for semi-infinite wire

circular for finite length of wire

all of the above

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Circular for finite length of wire

$B = \frac{μ_{0} I}{4 πr} [\sin θ_{1} - \sin θ_{2}]$