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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismProperties of magnetEasy2 minPYQ_2020

PhysicsEasysingle choice

A current $I$ is flowing through the loop, as shown in the figure. The magnetic field at centre $O$ is

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Answer:

Solution:

$B = B_{1} + B_{2}$

$= \frac{μ_{0} I}{2 r_{1}} (\frac{3 π / 2}{2 π}) + \frac{μ_{0} I}{2 r_{2}} (\frac{π / 2}{2 π})$

$= \frac{3}{8} \frac{μ_{0} I}{R} + \frac{μ_{0} I}{2 (2 R)} \times \frac{1}{4}$

$= \frac{7}{16} \frac{μ_{0} I}{R} \otimes$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:MagnetismSubtopic:Properties of magnet

⏱ 2mℹ️ Source: PYQ_2020

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