Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismBiot-savart's & Ampere's Circuital lawMedium2 minPYQ_2010

PhysicsMediumsingle choice

The magnetic field at the origin due to the current flowing in the wire is $-$

Options:

Answer:

Solution:

$B_{OD} = 0, B_{OB} = 0$ $B_{AB} = \frac{μ _{0} I}{4 π a 2} [cos 4 5^{\circ} (- \hat{i}) + cos 4 5^{\circ} \hat{k}]$ $= \frac{μ _{0} I}{8 π a} (- \hat{i} + \hat{k})$

Stream:BITSATSubject:PhysicsTopic:MagnetismSubtopic:Biot-savart's & Ampere's Circuital law

⏱ 2mℹ️ Source: PYQ_2010

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