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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismBiot-savart's & Ampere's Circuital lawMedium2 minPYQ_2019

PhysicsMediumsingle choice

Two parallel infinitely long current carrying wires are shown in figure. If resultant magnetic field at point $P$ is zero. Then determine current $I$ .

Options:

Answer:

Solution:

At point $P, B_{1} + B_{2} = 0$ $\frac{μ _{0} I _{1}}{2 π r _{1}} = \frac{μ _{0} I _{2}}{2 π r _{2}} \frac{I}{27} = \frac{10}{9}, I = 30 A$

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

⏱ 2mℹ️ Source: PYQ_2019

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